Home / 84,512.61-126,759.32-22,187.97

Finding the Fourth Proportional to 84,512.61, 126,759.32 and 22,187.97

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Solution

The fourth proportional to 84,512.61, 126,759.32 and 22,187.97 is: 33,279.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,512.61 : 126,759.32 = 22,187.97 : x
  2. Step 2: Convert to fraction form
    84,512.61/126,759.32 = 22,187.97/x
  3. Step 3: Cross multiply
    84,512.61x = 126,759.32 × 22,187.97
  4. Step 4: Simplify right side
    84,512.61x = 2,812,531,878.44
  5. Step 5: Solve for x
    x = 2,812,531,878.44/84,512.61
  6. Step 6: Final answer
    x = 33,279.43

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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.