Home / 87,391.32-120,610.26-49,671.24

Finding the Fourth Proportional to 87,391.32, 120,610.26 and 49,671.24

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Solution

The fourth proportional to 87,391.32, 120,610.26 and 49,671.24 is: 68,552.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,391.32 : 120,610.26 = 49,671.24 : x
  2. Step 2: Convert to fraction form
    87,391.32/120,610.26 = 49,671.24/x
  3. Step 3: Cross multiply
    87,391.32x = 120,610.26 × 49,671.24
  4. Step 4: Simplify right side
    87,391.32x = 5,990,861,170.92
  5. Step 5: Solve for x
    x = 5,990,861,170.92/87,391.32
  6. Step 6: Final answer
    x = 68,552.13

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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.