Finding the Fourth Proportional to 71,600.56, 107,359.68 and 29,509.70
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Solution
The fourth proportional to 71,600.56, 107,359.68 and 29,509.70 is: 44,247.59
Step by Step Solution
- Step 1: Write the proportion equation
71,600.56 : 107,359.68 = 29,509.70 : x - Step 2: Convert to fraction form
71,600.56/107,359.68 = 29,509.70/x - Step 3: Cross multiply
71,600.56x = 107,359.68 × 29,509.70 - Step 4: Simplify right side
71,600.56x = 3,168,151,948.90 - Step 5: Solve for x
x = 3,168,151,948.90/71,600.56 - Step 6: Final answer
x = 44,247.59
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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.