Finding the Fourth Proportional to 87,612.08, 131,425.14 and 34,992.68
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Solution
The fourth proportional to 87,612.08, 131,425.14 and 34,992.68 is: 52,491.82
Step by Step Solution
- Step 1: Write the proportion equation
87,612.08 : 131,425.14 = 34,992.68 : x - Step 2: Convert to fraction form
87,612.08/131,425.14 = 34,992.68/x - Step 3: Cross multiply
87,612.08x = 131,425.14 × 34,992.68 - Step 4: Simplify right side
87,612.08x = 4,598,917,867.98 - Step 5: Solve for x
x = 4,598,917,867.98/87,612.08 - Step 6: Final answer
x = 52,491.82
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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.