Finding the Fourth Proportional to 86,473.26, 129,713.79 and 26,497.42
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Solution
The fourth proportional to 86,473.26, 129,713.79 and 26,497.42 is: 39,747.33
Step by Step Solution
- Step 1: Write the proportion equation
86,473.26 : 129,713.79 = 26,497.42 : x - Step 2: Convert to fraction form
86,473.26/129,713.79 = 26,497.42/x - Step 3: Cross multiply
86,473.26x = 129,713.79 × 26,497.42 - Step 4: Simplify right side
86,473.26x = 3,437,080,773.42 - Step 5: Solve for x
x = 3,437,080,773.42/86,473.26 - Step 6: Final answer
x = 39,747.33
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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.