Home / 69,273.50-103,949.18-37,685.78

Finding the Fourth Proportional to 69,273.50, 103,949.18 and 37,685.78

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Solution

The fourth proportional to 69,273.50, 103,949.18 and 37,685.78 is: 56,549.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,273.50 : 103,949.18 = 37,685.78 : x
  2. Step 2: Convert to fraction form
    69,273.50/103,949.18 = 37,685.78/x
  3. Step 3: Cross multiply
    69,273.50x = 103,949.18 × 37,685.78
  4. Step 4: Simplify right side
    69,273.50x = 3,917,405,928.66
  5. Step 5: Solve for x
    x = 3,917,405,928.66/69,273.50
  6. Step 6: Final answer
    x = 56,549.85

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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.