Home / 83,606.12-125,428.28-27,451

Finding the Fourth Proportional to 83,606.12, 125,428.28 and 27,451

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Solution

The fourth proportional to 83,606.12, 125,428.28 and 27,451 is: 41,182.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,606.12 : 125,428.28 = 27,451 : x
  2. Step 2: Convert to fraction form
    83,606.12/125,428.28 = 27,451/x
  3. Step 3: Cross multiply
    83,606.12x = 125,428.28 × 27,451
  4. Step 4: Simplify right side
    83,606.12x = 3,443,131,714.28
  5. Step 5: Solve for x
    x = 3,443,131,714.28/83,606.12
  6. Step 6: Final answer
    x = 41,182.77

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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.