Home / 87,947.82-131,908.98-28,785.84

Finding the Fourth Proportional to 87,947.82, 131,908.98 and 28,785.84

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Solution

The fourth proportional to 87,947.82, 131,908.98 and 28,785.84 is: 43,174.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,947.82 : 131,908.98 = 28,785.84 : x
  2. Step 2: Convert to fraction form
    87,947.82/131,908.98 = 28,785.84/x
  3. Step 3: Cross multiply
    87,947.82x = 131,908.98 × 28,785.84
  4. Step 4: Simplify right side
    87,947.82x = 3,797,110,792.84
  5. Step 5: Solve for x
    x = 3,797,110,792.84/87,947.82
  6. Step 6: Final answer
    x = 43,174.59

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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.