Home / 69,118.30-103,677.45-22,375.90

Finding the Fourth Proportional to 69,118.30, 103,677.45 and 22,375.90

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Solution

The fourth proportional to 69,118.30, 103,677.45 and 22,375.90 is: 33,563.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,118.30 : 103,677.45 = 22,375.90 : x
  2. Step 2: Convert to fraction form
    69,118.30/103,677.45 = 22,375.90/x
  3. Step 3: Cross multiply
    69,118.30x = 103,677.45 × 22,375.90
  4. Step 4: Simplify right side
    69,118.30x = 2,319,876,253.46
  5. Step 5: Solve for x
    x = 2,319,876,253.46/69,118.30
  6. Step 6: Final answer
    x = 33,563.85

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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.