Home / 87,785.00-121,143.15-49,552.59

Finding the Fourth Proportional to 87,785.00, 121,143.15 and 49,552.59

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Solution

The fourth proportional to 87,785.00, 121,143.15 and 49,552.59 is: 68,382.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,785.00 : 121,143.15 = 49,552.59 : x
  2. Step 2: Convert to fraction form
    87,785.00/121,143.15 = 49,552.59/x
  3. Step 3: Cross multiply
    87,785.00x = 121,143.15 × 49,552.59
  4. Step 4: Simplify right side
    87,785.00x = 6,002,956,843.26
  5. Step 5: Solve for x
    x = 6,002,956,843.26/87,785.00
  6. Step 6: Final answer
    x = 68,382.49

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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.