Home / 87,859.96-131,802.80-27,868.42

Finding the Fourth Proportional to 87,859.96, 131,802.80 and 27,868.42

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Solution

The fourth proportional to 87,859.96, 131,802.80 and 27,868.42 is: 41,806.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,859.96 : 131,802.80 = 27,868.42 : x
  2. Step 2: Convert to fraction form
    87,859.96/131,802.80 = 27,868.42/x
  3. Step 3: Cross multiply
    87,859.96x = 131,802.80 × 27,868.42
  4. Step 4: Simplify right side
    87,859.96x = 3,673,135,787.58
  5. Step 5: Solve for x
    x = 3,673,135,787.58/87,859.96
  6. Step 6: Final answer
    x = 41,806.71

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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.