Home / 87,906.48-131,867.82-28,742.46

Finding the Fourth Proportional to 87,906.48, 131,867.82 and 28,742.46

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Solution

The fourth proportional to 87,906.48, 131,867.82 and 28,742.46 is: 43,116.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,906.48 : 131,867.82 = 28,742.46 : x
  2. Step 2: Convert to fraction form
    87,906.48/131,867.82 = 28,742.46/x
  3. Step 3: Cross multiply
    87,906.48x = 131,867.82 × 28,742.46
  4. Step 4: Simplify right side
    87,906.48x = 3,790,205,541.64
  5. Step 5: Solve for x
    x = 3,790,205,541.64/87,906.48
  6. Step 6: Final answer
    x = 43,116.34

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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.