Home / 123,726.20-185,508.30-48,801.20

Finding the Fourth Proportional to 123,726.20, 185,508.30 and 48,801.20

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Solution

The fourth proportional to 123,726.20, 185,508.30 and 48,801.20 is: 73,169.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,726.20 : 185,508.30 = 48,801.20 : x
  2. Step 2: Convert to fraction form
    123,726.20/185,508.30 = 48,801.20/x
  3. Step 3: Cross multiply
    123,726.20x = 185,508.30 × 48,801.20
  4. Step 4: Simplify right side
    123,726.20x = 9,053,027,649.96
  5. Step 5: Solve for x
    x = 9,053,027,649.96/123,726.20
  6. Step 6: Final answer
    x = 73,169.85

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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.