Home / 69,229.20-103,769.64-49,447.74

Finding the Fourth Proportional to 69,229.20, 103,769.64 and 49,447.74

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Solution

The fourth proportional to 69,229.20, 103,769.64 and 49,447.74 is: 74,118.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,229.20 : 103,769.64 = 49,447.74 : x
  2. Step 2: Convert to fraction form
    69,229.20/103,769.64 = 49,447.74/x
  3. Step 3: Cross multiply
    69,229.20x = 103,769.64 × 49,447.74
  4. Step 4: Simplify right side
    69,229.20x = 5,131,174,178.61
  5. Step 5: Solve for x
    x = 5,131,174,178.61/69,229.20
  6. Step 6: Final answer
    x = 74,118.64

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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.