Finding the Fourth Proportional to 71,034.39, 106,414.88 and 44,390.79
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Solution
The fourth proportional to 71,034.39, 106,414.88 and 44,390.79 is: 66,500.75
Step by Step Solution
- Step 1: Write the proportion equation
71,034.39 : 106,414.88 = 44,390.79 : x - Step 2: Convert to fraction form
71,034.39/106,414.88 = 44,390.79/x - Step 3: Cross multiply
71,034.39x = 106,414.88 × 44,390.79 - Step 4: Simplify right side
71,034.39x = 4,723,840,369.00 - Step 5: Solve for x
x = 4,723,840,369.00/71,034.39 - Step 6: Final answer
x = 66,500.75
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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.