Home / 68,845.20-103,305.28-26,726.88

Finding the Fourth Proportional to 68,845.20, 103,305.28 and 26,726.88

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Solution

The fourth proportional to 68,845.20, 103,305.28 and 26,726.88 is: 40,104.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,845.20 : 103,305.28 = 26,726.88 : x
  2. Step 2: Convert to fraction form
    68,845.20/103,305.28 = 26,726.88/x
  3. Step 3: Cross multiply
    68,845.20x = 103,305.28 × 26,726.88
  4. Step 4: Simplify right side
    68,845.20x = 2,761,027,821.93
  5. Step 5: Solve for x
    x = 2,761,027,821.93/68,845.20
  6. Step 6: Final answer
    x = 40,104.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.