Finding the Fourth Proportional to 91,251.92, 136,878.75 and 32,088.08
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Solution
The fourth proportional to 91,251.92, 136,878.75 and 32,088.08 is: 48,132.42
Step by Step Solution
- Step 1: Write the proportion equation
91,251.92 : 136,878.75 = 32,088.08 : x - Step 2: Convert to fraction form
91,251.92/136,878.75 = 32,088.08/x - Step 3: Cross multiply
91,251.92x = 136,878.75 × 32,088.08 - Step 4: Simplify right side
91,251.92x = 4,392,175,595.91 - Step 5: Solve for x
x = 4,392,175,595.91/91,251.92 - Step 6: Final answer
x = 48,132.42
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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.