Home / 87,800.06-131,729.66-27,838.32

Finding the Fourth Proportional to 87,800.06, 131,729.66 and 27,838.32

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Solution

The fourth proportional to 87,800.06, 131,729.66 and 27,838.32 is: 41,766.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,800.06 : 131,729.66 = 27,838.32 : x
  2. Step 2: Convert to fraction form
    87,800.06/131,729.66 = 27,838.32/x
  3. Step 3: Cross multiply
    87,800.06x = 131,729.66 × 27,838.32
  4. Step 4: Simplify right side
    87,800.06x = 3,667,132,428.57
  5. Step 5: Solve for x
    x = 3,667,132,428.57/87,800.06
  6. Step 6: Final answer
    x = 41,766.86

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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.