Home / 87,646.10-131,469.15-50,321.30

Finding the Fourth Proportional to 87,646.10, 131,469.15 and 50,321.30

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Solution

The fourth proportional to 87,646.10, 131,469.15 and 50,321.30 is: 75,481.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,646.10 : 131,469.15 = 50,321.30 : x
  2. Step 2: Convert to fraction form
    87,646.10/131,469.15 = 50,321.30/x
  3. Step 3: Cross multiply
    87,646.10x = 131,469.15 × 50,321.30
  4. Step 4: Simplify right side
    87,646.10x = 6,615,698,537.90
  5. Step 5: Solve for x
    x = 6,615,698,537.90/87,646.10
  6. Step 6: Final answer
    x = 75,481.95

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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.