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Finding the Fourth Proportional to 83,783.32, 125,648.13 and 27,610.84

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Solution

The fourth proportional to 83,783.32, 125,648.13 and 27,610.84 is: 41,407.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,783.32 : 125,648.13 = 27,610.84 : x
  2. Step 2: Convert to fraction form
    83,783.32/125,648.13 = 27,610.84/x
  3. Step 3: Cross multiply
    83,783.32x = 125,648.13 × 27,610.84
  4. Step 4: Simplify right side
    83,783.32x = 3,469,250,413.73
  5. Step 5: Solve for x
    x = 3,469,250,413.73/83,783.32
  6. Step 6: Final answer
    x = 41,407.41

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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.