Home / 87,417.33-120,632.92-49,177.63

Finding the Fourth Proportional to 87,417.33, 120,632.92 and 49,177.63

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Solution

The fourth proportional to 87,417.33, 120,632.92 and 49,177.63 is: 67,863.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,417.33 : 120,632.92 = 49,177.63 : x
  2. Step 2: Convert to fraction form
    87,417.33/120,632.92 = 49,177.63/x
  3. Step 3: Cross multiply
    87,417.33x = 120,632.92 × 49,177.63
  4. Step 4: Simplify right side
    87,417.33x = 5,932,441,105.58
  5. Step 5: Solve for x
    x = 5,932,441,105.58/87,417.33
  6. Step 6: Final answer
    x = 67,863.44

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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.