Home / 83,974.96-115,877.83-49,977.97

Finding the Fourth Proportional to 83,974.96, 115,877.83 and 49,977.97

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Solution

The fourth proportional to 83,974.96, 115,877.83 and 49,977.97 is: 68,965.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,974.96 : 115,877.83 = 49,977.97 : x
  2. Step 2: Convert to fraction form
    83,974.96/115,877.83 = 49,977.97/x
  3. Step 3: Cross multiply
    83,974.96x = 115,877.83 × 49,977.97
  4. Step 4: Simplify right side
    83,974.96x = 5,791,337,882.13
  5. Step 5: Solve for x
    x = 5,791,337,882.13/83,974.96
  6. Step 6: Final answer
    x = 68,965.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.