Home / 83,405.46-125,114.28-23,442.78

Finding the Fourth Proportional to 83,405.46, 125,114.28 and 23,442.78

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Solution

The fourth proportional to 83,405.46, 125,114.28 and 23,442.78 is: 35,165.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,405.46 : 125,114.28 = 23,442.78 : x
  2. Step 2: Convert to fraction form
    83,405.46/125,114.28 = 23,442.78/x
  3. Step 3: Cross multiply
    83,405.46x = 125,114.28 × 23,442.78
  4. Step 4: Simplify right side
    83,405.46x = 2,933,026,540.90
  5. Step 5: Solve for x
    x = 2,933,026,540.90/83,405.46
  6. Step 6: Final answer
    x = 35,165.88

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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.