Home / 87,891.48-131,845.32-28,727.46

Finding the Fourth Proportional to 87,891.48, 131,845.32 and 28,727.46

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Solution

The fourth proportional to 87,891.48, 131,845.32 and 28,727.46 is: 43,093.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,891.48 : 131,845.32 = 28,727.46 : x
  2. Step 2: Convert to fraction form
    87,891.48/131,845.32 = 28,727.46/x
  3. Step 3: Cross multiply
    87,891.48x = 131,845.32 × 28,727.46
  4. Step 4: Simplify right side
    87,891.48x = 3,787,581,156.49
  5. Step 5: Solve for x
    x = 3,787,581,156.49/87,891.48
  6. Step 6: Final answer
    x = 43,093.84

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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.