Finding the Fourth Proportional to 87,511.13, 131,286.14 and 32,107.13
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Solution
The fourth proportional to 87,511.13, 131,286.14 and 32,107.13 is: 48,167.82
Step by Step Solution
- Step 1: Write the proportion equation
87,511.13 : 131,286.14 = 32,107.13 : x - Step 2: Convert to fraction form
87,511.13/131,286.14 = 32,107.13/x - Step 3: Cross multiply
87,511.13x = 131,286.14 × 32,107.13 - Step 4: Simplify right side
87,511.13x = 4,215,220,347.21 - Step 5: Solve for x
x = 4,215,220,347.21/87,511.13 - Step 6: Final answer
x = 48,167.82
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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.