Home / 87,451.16-120,671.52-49,726.22

Finding the Fourth Proportional to 87,451.16, 120,671.52 and 49,726.22

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Solution

The fourth proportional to 87,451.16, 120,671.52 and 49,726.22 is: 68,615.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,451.16 : 120,671.52 = 49,726.22 : x
  2. Step 2: Convert to fraction form
    87,451.16/120,671.52 = 49,726.22/x
  3. Step 3: Cross multiply
    87,451.16x = 120,671.52 × 49,726.22
  4. Step 4: Simplify right side
    87,451.16x = 6,000,538,551.25
  5. Step 5: Solve for x
    x = 6,000,538,551.25/87,451.16
  6. Step 6: Final answer
    x = 68,615.88

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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.