Finding the Fourth Proportional to 71,707.26, 107,441.28 and 50,612.70
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Solution
The fourth proportional to 71,707.26, 107,441.28 and 50,612.70 is: 75,834.63
Step by Step Solution
- Step 1: Write the proportion equation
71,707.26 : 107,441.28 = 50,612.70 : x - Step 2: Convert to fraction form
71,707.26/107,441.28 = 50,612.70/x - Step 3: Cross multiply
71,707.26x = 107,441.28 × 50,612.70 - Step 4: Simplify right side
71,707.26x = 5,437,893,272.26 - Step 5: Solve for x
x = 5,437,893,272.26/71,707.26 - Step 6: Final answer
x = 75,834.63
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1.5x scale
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.