Home / 87,377.12-131,093.28-31,216.04

Finding the Fourth Proportional to 87,377.12, 131,093.28 and 31,216.04

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Solution

The fourth proportional to 87,377.12, 131,093.28 and 31,216.04 is: 46,833.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,377.12 : 131,093.28 = 31,216.04 : x
  2. Step 2: Convert to fraction form
    87,377.12/131,093.28 = 31,216.04/x
  3. Step 3: Cross multiply
    87,377.12x = 131,093.28 × 31,216.04
  4. Step 4: Simplify right side
    87,377.12x = 4,092,213,072.21
  5. Step 5: Solve for x
    x = 4,092,213,072.21/87,377.12
  6. Step 6: Final answer
    x = 46,833.92

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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.