Home / 87,908.48-131,870.82-28,744.46

Finding the Fourth Proportional to 87,908.48, 131,870.82 and 28,744.46

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Solution

The fourth proportional to 87,908.48, 131,870.82 and 28,744.46 is: 43,119.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,908.48 : 131,870.82 = 28,744.46 : x
  2. Step 2: Convert to fraction form
    87,908.48/131,870.82 = 28,744.46/x
  3. Step 3: Cross multiply
    87,908.48x = 131,870.82 × 28,744.46
  4. Step 4: Simplify right side
    87,908.48x = 3,790,555,510.66
  5. Step 5: Solve for x
    x = 3,790,555,510.66/87,908.48
  6. Step 6: Final answer
    x = 43,119.34

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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.