Home / 82,454.64-123,691.68-26,275.20

Finding the Fourth Proportional to 82,454.64, 123,691.68 and 26,275.20

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Solution

The fourth proportional to 82,454.64, 123,691.68 and 26,275.20 is: 39,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,454.64 : 123,691.68 = 26,275.20 : x
  2. Step 2: Convert to fraction form
    82,454.64/123,691.68 = 26,275.20/x
  3. Step 3: Cross multiply
    82,454.64x = 123,691.68 × 26,275.20
  4. Step 4: Simplify right side
    82,454.64x = 3,250,023,630.34
  5. Step 5: Solve for x
    x = 3,250,023,630.34/82,454.64
  6. Step 6: Final answer
    x = 39,415.90

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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.