Home / 73,135.32-109,620.02-33,610.78

Finding the Fourth Proportional to 73,135.32, 109,620.02 and 33,610.78

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Solution

The fourth proportional to 73,135.32, 109,620.02 and 33,610.78 is: 50,378.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,135.32 : 109,620.02 = 33,610.78 : x
  2. Step 2: Convert to fraction form
    73,135.32/109,620.02 = 33,610.78/x
  3. Step 3: Cross multiply
    73,135.32x = 109,620.02 × 33,610.78
  4. Step 4: Simplify right side
    73,135.32x = 3,684,414,375.82
  5. Step 5: Solve for x
    x = 3,684,414,375.82/73,135.32
  6. Step 6: Final answer
    x = 50,378.04

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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.