Home / 83,422.28-125,243.04-49,750.04

Finding the Fourth Proportional to 83,422.28, 125,243.04 and 49,750.04

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Solution

The fourth proportional to 83,422.28, 125,243.04 and 49,750.04 is: 74,690.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,422.28 : 125,243.04 = 49,750.04 : x
  2. Step 2: Convert to fraction form
    83,422.28/125,243.04 = 49,750.04/x
  3. Step 3: Cross multiply
    83,422.28x = 125,243.04 × 49,750.04
  4. Step 4: Simplify right side
    83,422.28x = 6,230,846,249.72
  5. Step 5: Solve for x
    x = 6,230,846,249.72/83,422.28
  6. Step 6: Final answer
    x = 74,690.43

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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.