Finding the Fourth Proportional to 71,337.66, 107,014.68 and 41,755.75
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Solution
The fourth proportional to 71,337.66, 107,014.68 and 41,755.75 is: 62,638.42
Step by Step Solution
- Step 1: Write the proportion equation
71,337.66 : 107,014.68 = 41,755.75 : x - Step 2: Convert to fraction form
71,337.66/107,014.68 = 41,755.75/x - Step 3: Cross multiply
71,337.66x = 107,014.68 × 41,755.75 - Step 4: Simplify right side
71,337.66x = 4,468,478,224.41 - Step 5: Solve for x
x = 4,468,478,224.41/71,337.66 - Step 6: Final answer
x = 62,638.42
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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.