Home / 83,299.60-124,949.31-27,139.65

Finding the Fourth Proportional to 83,299.60, 124,949.31 and 27,139.65

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Solution

The fourth proportional to 83,299.60, 124,949.31 and 27,139.65 is: 40,709.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,299.60 : 124,949.31 = 27,139.65 : x
  2. Step 2: Convert to fraction form
    83,299.60/124,949.31 = 27,139.65/x
  3. Step 3: Cross multiply
    83,299.60x = 124,949.31 × 27,139.65
  4. Step 4: Simplify right side
    83,299.60x = 3,391,080,541.14
  5. Step 5: Solve for x
    x = 3,391,080,541.14/83,299.60
  6. Step 6: Final answer
    x = 40,709.45

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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.