Home / 83,445.26-125,179.81-25,747.40

Finding the Fourth Proportional to 83,445.26, 125,179.81 and 25,747.40

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Solution

The fourth proportional to 83,445.26, 125,179.81 and 25,747.40 is: 38,624.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,445.26 : 125,179.81 = 25,747.40 : x
  2. Step 2: Convert to fraction form
    83,445.26/125,179.81 = 25,747.40/x
  3. Step 3: Cross multiply
    83,445.26x = 125,179.81 × 25,747.40
  4. Step 4: Simplify right side
    83,445.26x = 3,223,055,033.40
  5. Step 5: Solve for x
    x = 3,223,055,033.40/83,445.26
  6. Step 6: Final answer
    x = 38,624.78

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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.