Home / 87,757.27-121,094.60-49,514.62

Finding the Fourth Proportional to 87,757.27, 121,094.60 and 49,514.62

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Solution

The fourth proportional to 87,757.27, 121,094.60 and 49,514.62 is: 68,324.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,757.27 : 121,094.60 = 49,514.62 : x
  2. Step 2: Convert to fraction form
    87,757.27/121,094.60 = 49,514.62/x
  3. Step 3: Cross multiply
    87,757.27x = 121,094.60 × 49,514.62
  4. Step 4: Simplify right side
    87,757.27x = 5,995,953,103.05
  5. Step 5: Solve for x
    x = 5,995,953,103.05/87,757.27
  6. Step 6: Final answer
    x = 68,324.29

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1.5x scale

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.