Finding the Fourth Proportional to 87,866.26, 131,808.21 and 24,686.53
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Solution
The fourth proportional to 87,866.26, 131,808.21 and 24,686.53 is: 37,032.27
Step by Step Solution
- Step 1: Write the proportion equation
87,866.26 : 131,808.21 = 24,686.53 : x - Step 2: Convert to fraction form
87,866.26/131,808.21 = 24,686.53/x - Step 3: Cross multiply
87,866.26x = 131,808.21 × 24,686.53 - Step 4: Simplify right side
87,866.26x = 3,253,887,330.41 - Step 5: Solve for x
x = 3,253,887,330.41/87,866.26 - Step 6: Final answer
x = 37,032.27
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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.