Home / 87,514.10-131,402.39-50,116.40

Finding the Fourth Proportional to 87,514.10, 131,402.39 and 50,116.40

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Solution

The fourth proportional to 87,514.10, 131,402.39 and 50,116.40 is: 75,249.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,514.10 : 131,402.39 = 50,116.40 : x
  2. Step 2: Convert to fraction form
    87,514.10/131,402.39 = 50,116.40/x
  3. Step 3: Cross multiply
    87,514.10x = 131,402.39 × 50,116.40
  4. Step 4: Simplify right side
    87,514.10x = 6,585,414,738.20
  5. Step 5: Solve for x
    x = 6,585,414,738.20/87,514.10
  6. Step 6: Final answer
    x = 75,249.76

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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.