Home / 87,390.06-131,093.61-34,787.22

Finding the Fourth Proportional to 87,390.06, 131,093.61 and 34,787.22

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Solution

The fourth proportional to 87,390.06, 131,093.61 and 34,787.22 is: 52,184.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,390.06 : 131,093.61 = 34,787.22 : x
  2. Step 2: Convert to fraction form
    87,390.06/131,093.61 = 34,787.22/x
  3. Step 3: Cross multiply
    87,390.06x = 131,093.61 × 34,787.22
  4. Step 4: Simplify right side
    87,390.06x = 4,560,382,251.66
  5. Step 5: Solve for x
    x = 4,560,382,251.66/87,390.06
  6. Step 6: Final answer
    x = 52,184.22

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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.