Finding the Fourth Proportional to 95,081.12, 131,209.68 and 54,794.08
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Solution
The fourth proportional to 95,081.12, 131,209.68 and 54,794.08 is: 75,614.52
Step by Step Solution
- Step 1: Write the proportion equation
95,081.12 : 131,209.68 = 54,794.08 : x - Step 2: Convert to fraction form
95,081.12/131,209.68 = 54,794.08/x - Step 3: Cross multiply
95,081.12x = 131,209.68 × 54,794.08 - Step 4: Simplify right side
95,081.12x = 7,189,513,702.69 - Step 5: Solve for x
x = 7,189,513,702.69/95,081.12 - Step 6: Final answer
x = 75,614.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.