Home / 77,974.11-116,943.92-21,799.11

Finding the Fourth Proportional to 77,974.11, 116,943.92 and 21,799.11

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Solution

The fourth proportional to 77,974.11, 116,943.92 and 21,799.11 is: 32,693.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,974.11 : 116,943.92 = 21,799.11 : x
  2. Step 2: Convert to fraction form
    77,974.11/116,943.92 = 21,799.11/x
  3. Step 3: Cross multiply
    77,974.11x = 116,943.92 × 21,799.11
  4. Step 4: Simplify right side
    77,974.11x = 2,549,273,668.73
  5. Step 5: Solve for x
    x = 2,549,273,668.73/77,974.11
  6. Step 6: Final answer
    x = 32,693.85

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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.