Finding the Fourth Proportional to 71,560.10, 107,414.68 and 52,861.26
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Solution
The fourth proportional to 71,560.10, 107,414.68 and 52,861.26 is: 79,346.95
Step by Step Solution
- Step 1: Write the proportion equation
71,560.10 : 107,414.68 = 52,861.26 : x - Step 2: Convert to fraction form
71,560.10/107,414.68 = 52,861.26/x - Step 3: Cross multiply
71,560.10x = 107,414.68 × 52,861.26 - Step 4: Simplify right side
71,560.10x = 5,678,075,327.30 - Step 5: Solve for x
x = 5,678,075,327.30/71,560.10 - Step 6: Final answer
x = 79,346.95
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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.