Home / 87,961.44-131,893.02-28,781.22

Finding the Fourth Proportional to 87,961.44, 131,893.02 and 28,781.22

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Solution

The fourth proportional to 87,961.44, 131,893.02 and 28,781.22 is: 43,155.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,961.44 : 131,893.02 = 28,781.22 : x
  2. Step 2: Convert to fraction form
    87,961.44/131,893.02 = 28,781.22/x
  3. Step 3: Cross multiply
    87,961.44x = 131,893.02 × 28,781.22
  4. Step 4: Simplify right side
    87,961.44x = 3,796,042,025.08
  5. Step 5: Solve for x
    x = 3,796,042,025.08/87,961.44
  6. Step 6: Final answer
    x = 43,155.75

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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.