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Finding the Fourth Proportional to 83,710.88, 125,565.56 and 33,755.60

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Solution

The fourth proportional to 83,710.88, 125,565.56 and 33,755.60 is: 50,633.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,710.88 : 125,565.56 = 33,755.60 : x
  2. Step 2: Convert to fraction form
    83,710.88/125,565.56 = 33,755.60/x
  3. Step 3: Cross multiply
    83,710.88x = 125,565.56 × 33,755.60
  4. Step 4: Simplify right side
    83,710.88x = 4,238,541,046.66
  5. Step 5: Solve for x
    x = 4,238,541,046.66/83,710.88
  6. Step 6: Final answer
    x = 50,633.09

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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.