Home / 87,825.78-131,757.03-28,664.82

Finding the Fourth Proportional to 87,825.78, 131,757.03 and 28,664.82

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Solution

The fourth proportional to 87,825.78, 131,757.03 and 28,664.82 is: 43,003.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,825.78 : 131,757.03 = 28,664.82 : x
  2. Step 2: Convert to fraction form
    87,825.78/131,757.03 = 28,664.82/x
  3. Step 3: Cross multiply
    87,825.78x = 131,757.03 × 28,664.82
  4. Step 4: Simplify right side
    87,825.78x = 3,776,791,548.68
  5. Step 5: Solve for x
    x = 3,776,791,548.68/87,825.78
  6. Step 6: Final answer
    x = 43,003.22

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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.