Finding the Fourth Proportional to 117,542.97, 162,209.30 and 63,827.99
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Solution
The fourth proportional to 117,542.97, 162,209.30 and 63,827.99 is: 88,082.63
Step by Step Solution
- Step 1: Write the proportion equation
117,542.97 : 162,209.30 = 63,827.99 : x - Step 2: Convert to fraction form
117,542.97/162,209.30 = 63,827.99/x - Step 3: Cross multiply
117,542.97x = 162,209.30 × 63,827.99 - Step 4: Simplify right side
117,542.97x = 10,353,493,859.41 - Step 5: Solve for x
x = 10,353,493,859.41/117,542.97 - Step 6: Final answer
x = 88,082.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.