Finding the Fourth Proportional to 87,575.19, 130,882.95 and 63,932.53
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Solution
The fourth proportional to 87,575.19, 130,882.95 and 63,932.53 is: 95,548.49
Step by Step Solution
- Step 1: Write the proportion equation
87,575.19 : 130,882.95 = 63,932.53 : x - Step 2: Convert to fraction form
87,575.19/130,882.95 = 63,932.53/x - Step 3: Cross multiply
87,575.19x = 130,882.95 × 63,932.53 - Step 4: Simplify right side
87,575.19x = 8,367,677,800.16 - Step 5: Solve for x
x = 8,367,677,800.16/87,575.19 - Step 6: Final answer
x = 95,548.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.