Home / 83,470.10-125,212.91-27,310.57

Finding the Fourth Proportional to 83,470.10, 125,212.91 and 27,310.57

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Solution

The fourth proportional to 83,470.10, 125,212.91 and 27,310.57 is: 40,968.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,470.10 : 125,212.91 = 27,310.57 : x
  2. Step 2: Convert to fraction form
    83,470.10/125,212.91 = 27,310.57/x
  3. Step 3: Cross multiply
    83,470.10x = 125,212.91 × 27,310.57
  4. Step 4: Simplify right side
    83,470.10x = 3,419,635,493.87
  5. Step 5: Solve for x
    x = 3,419,635,493.87/83,470.10
  6. Step 6: Final answer
    x = 40,968.39

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1.5x scale

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.