Finding the Fourth Proportional to 71,251.70, 106,877.55 and 27,475.70
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Solution
The fourth proportional to 71,251.70, 106,877.55 and 27,475.70 is: 41,213.55
Step by Step Solution
- Step 1: Write the proportion equation
71,251.70 : 106,877.55 = 27,475.70 : x - Step 2: Convert to fraction form
71,251.70/106,877.55 = 27,475.70/x - Step 3: Cross multiply
71,251.70x = 106,877.55 × 27,475.70 - Step 4: Simplify right side
71,251.70x = 2,936,535,500.54 - Step 5: Solve for x
x = 2,936,535,500.54/71,251.70 - Step 6: Final answer
x = 41,213.55
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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.