Home / 87,431.94-131,076.77-27,429.57

Finding the Fourth Proportional to 87,431.94, 131,076.77 and 27,429.57

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Solution

The fourth proportional to 87,431.94, 131,076.77 and 27,429.57 is: 41,122.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,431.94 : 131,076.77 = 27,429.57 : x
  2. Step 2: Convert to fraction form
    87,431.94/131,076.77 = 27,429.57/x
  3. Step 3: Cross multiply
    87,431.94x = 131,076.77 × 27,429.57
  4. Step 4: Simplify right side
    87,431.94x = 3,595,379,300.94
  5. Step 5: Solve for x
    x = 3,595,379,300.94/87,431.94
  6. Step 6: Final answer
    x = 41,122.04

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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.