Home / 87,347.86-120,540.45-49,624.18

Finding the Fourth Proportional to 87,347.86, 120,540.45 and 49,624.18

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Solution

The fourth proportional to 87,347.86, 120,540.45 and 49,624.18 is: 68,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,347.86 : 120,540.45 = 49,624.18 : x
  2. Step 2: Convert to fraction form
    87,347.86/120,540.45 = 49,624.18/x
  3. Step 3: Cross multiply
    87,347.86x = 120,540.45 × 49,624.18
  4. Step 4: Simplify right side
    87,347.86x = 5,981,720,988.08
  5. Step 5: Solve for x
    x = 5,981,720,988.08/87,347.86
  6. Step 6: Final answer
    x = 68,481.60

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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.