Finding the Fourth Proportional to 71,601.75, 107,446.95 and 41,630.09
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Solution
The fourth proportional to 71,601.75, 107,446.95 and 41,630.09 is: 62,470.90
Step by Step Solution
- Step 1: Write the proportion equation
71,601.75 : 107,446.95 = 41,630.09 : x - Step 2: Convert to fraction form
71,601.75/107,446.95 = 41,630.09/x - Step 3: Cross multiply
71,601.75x = 107,446.95 × 41,630.09 - Step 4: Simplify right side
71,601.75x = 4,473,025,661.49 - Step 5: Solve for x
x = 4,473,025,661.49/71,601.75 - Step 6: Final answer
x = 62,470.90
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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.