Home / 87,034.91-120,115.51-48,793.86

Finding the Fourth Proportional to 87,034.91, 120,115.51 and 48,793.86

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Solution

The fourth proportional to 87,034.91, 120,115.51 and 48,793.86 is: 67,339.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,034.91 : 120,115.51 = 48,793.86 : x
  2. Step 2: Convert to fraction form
    87,034.91/120,115.51 = 48,793.86/x
  3. Step 3: Cross multiply
    87,034.91x = 120,115.51 × 48,793.86
  4. Step 4: Simplify right side
    87,034.91x = 5,860,899,256.78
  5. Step 5: Solve for x
    x = 5,860,899,256.78/87,034.91
  6. Step 6: Final answer
    x = 67,339.64

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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.