Home / 83,493.32-125,252.94-28,085

Finding the Fourth Proportional to 83,493.32, 125,252.94 and 28,085

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Solution

The fourth proportional to 83,493.32, 125,252.94 and 28,085 is: 42,131.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,493.32 : 125,252.94 = 28,085 : x
  2. Step 2: Convert to fraction form
    83,493.32/125,252.94 = 28,085/x
  3. Step 3: Cross multiply
    83,493.32x = 125,252.94 × 28,085
  4. Step 4: Simplify right side
    83,493.32x = 3,517,728,819.90
  5. Step 5: Solve for x
    x = 3,517,728,819.90/83,493.32
  6. Step 6: Final answer
    x = 42,131.86

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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.