Home / 69,025.74-103,538.55-22,278.61

Finding the Fourth Proportional to 69,025.74, 103,538.55 and 22,278.61

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Solution

The fourth proportional to 69,025.74, 103,538.55 and 22,278.61 is: 33,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,025.74 : 103,538.55 = 22,278.61 : x
  2. Step 2: Convert to fraction form
    69,025.74/103,538.55 = 22,278.61/x
  3. Step 3: Cross multiply
    69,025.74x = 103,538.55 × 22,278.61
  4. Step 4: Simplify right side
    69,025.74x = 2,306,695,188.38
  5. Step 5: Solve for x
    x = 2,306,695,188.38/69,025.74
  6. Step 6: Final answer
    x = 33,417.90

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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.