Home / 87,863.40-121,248.90-49,624.52

Finding the Fourth Proportional to 87,863.40, 121,248.90 and 49,624.52

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Solution

The fourth proportional to 87,863.40, 121,248.90 and 49,624.52 is: 68,480.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,863.40 : 121,248.90 = 49,624.52 : x
  2. Step 2: Convert to fraction form
    87,863.40/121,248.90 = 49,624.52/x
  3. Step 3: Cross multiply
    87,863.40x = 121,248.90 × 49,624.52
  4. Step 4: Simplify right side
    87,863.40x = 6,016,917,856.78
  5. Step 5: Solve for x
    x = 6,016,917,856.78/87,863.40
  6. Step 6: Final answer
    x = 68,480.37

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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.