Home / 87,942.26-131,911.99-27,969.87

Finding the Fourth Proportional to 87,942.26, 131,911.99 and 27,969.87

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Solution

The fourth proportional to 87,942.26, 131,911.99 and 27,969.87 is: 41,954.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,942.26 : 131,911.99 = 27,969.87 : x
  2. Step 2: Convert to fraction form
    87,942.26/131,911.99 = 27,969.87/x
  3. Step 3: Cross multiply
    87,942.26x = 131,911.99 × 27,969.87
  4. Step 4: Simplify right side
    87,942.26x = 3,689,560,973.15
  5. Step 5: Solve for x
    x = 3,689,560,973.15/87,942.26
  6. Step 6: Final answer
    x = 41,954.36

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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.