Home / 87,403.52-120,616.60-49,685.04

Finding the Fourth Proportional to 87,403.52, 120,616.60 and 49,685.04

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Solution

The fourth proportional to 87,403.52, 120,616.60 and 49,685.04 is: 68,565.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,403.52 : 120,616.60 = 49,685.04 : x
  2. Step 2: Convert to fraction form
    87,403.52/120,616.60 = 49,685.04/x
  3. Step 3: Cross multiply
    87,403.52x = 120,616.60 × 49,685.04
  4. Step 4: Simplify right side
    87,403.52x = 5,992,840,595.66
  5. Step 5: Solve for x
    x = 5,992,840,595.66/87,403.52
  6. Step 6: Final answer
    x = 68,565.21

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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.