Home / 69,187.50-103,781.25-22,440.38

Finding the Fourth Proportional to 69,187.50, 103,781.25 and 22,440.38

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Solution

The fourth proportional to 69,187.50, 103,781.25 and 22,440.38 is: 33,660.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,187.50 : 103,781.25 = 22,440.38 : x
  2. Step 2: Convert to fraction form
    69,187.50/103,781.25 = 22,440.38/x
  3. Step 3: Cross multiply
    69,187.50x = 103,781.25 × 22,440.38
  4. Step 4: Simplify right side
    69,187.50x = 2,328,890,167.97
  5. Step 5: Solve for x
    x = 2,328,890,167.97/69,187.50
  6. Step 6: Final answer
    x = 33,660.56

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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.