Home / 69,126.30-103,689.45-22,383.90

Finding the Fourth Proportional to 69,126.30, 103,689.45 and 22,383.90

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Solution

The fourth proportional to 69,126.30, 103,689.45 and 22,383.90 is: 33,575.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,126.30 : 103,689.45 = 22,383.90 : x
  2. Step 2: Convert to fraction form
    69,126.30/103,689.45 = 22,383.90/x
  3. Step 3: Cross multiply
    69,126.30x = 103,689.45 × 22,383.90
  4. Step 4: Simplify right side
    69,126.30x = 2,320,974,279.86
  5. Step 5: Solve for x
    x = 2,320,974,279.86/69,126.30
  6. Step 6: Final answer
    x = 33,575.85

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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.