Finding the Fourth Proportional to 71,754.26, 107,631.48 and 34,305.53
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Solution
The fourth proportional to 71,754.26, 107,631.48 and 34,305.53 is: 51,458.34
Step by Step Solution
- Step 1: Write the proportion equation
71,754.26 : 107,631.48 = 34,305.53 : x - Step 2: Convert to fraction form
71,754.26/107,631.48 = 34,305.53/x - Step 3: Cross multiply
71,754.26x = 107,631.48 × 34,305.53 - Step 4: Simplify right side
71,754.26x = 3,692,354,966.08 - Step 5: Solve for x
x = 3,692,354,966.08/71,754.26 - Step 6: Final answer
x = 51,458.34
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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.