The ratio of three numbers is 5:3:4 and their sum is 108. The second number of the three numbers is?  Choose the correct option:
A) 18 B) 19 C) 21 D) 22 E) 27
5:3:4   Total parts = 12   12 parts --&gt; 108   1 part ----&gt;9   The second number of the three numbers is = 3   3 parts ----&gt; 27   27
<result>E</result>
The ratio of three numbers is 5:3:4 and their sum is 108. The second number of the three numbers is?