Home / 87,857.15-131,839.86-34,539.75

Finding the Fourth Proportional to 87,857.15, 131,839.86 and 34,539.75

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Solution

The fourth proportional to 87,857.15, 131,839.86 and 34,539.75 is: 51,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,857.15 : 131,839.86 = 34,539.75 : x
  2. Step 2: Convert to fraction form
    87,857.15/131,839.86 = 34,539.75/x
  3. Step 3: Cross multiply
    87,857.15x = 131,839.86 × 34,539.75
  4. Step 4: Simplify right side
    87,857.15x = 4,553,715,804.44
  5. Step 5: Solve for x
    x = 4,553,715,804.44/87,857.15
  6. Step 6: Final answer
    x = 51,830.91

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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.