Finding the Fourth Proportional to 74,732.17, 112,131.27 and 39,184.99
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Solution
The fourth proportional to 74,732.17, 112,131.27 and 39,184.99 is: 58,794.80
Step by Step Solution
- Step 1: Write the proportion equation
74,732.17 : 112,131.27 = 39,184.99 : x - Step 2: Convert to fraction form
74,732.17/112,131.27 = 39,184.99/x - Step 3: Cross multiply
74,732.17x = 112,131.27 × 39,184.99 - Step 4: Simplify right side
74,732.17x = 4,393,862,693.64 - Step 5: Solve for x
x = 4,393,862,693.64/74,732.17 - Step 6: Final answer
x = 58,794.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.