Home / 83,161.28-114,753.71-49,171.05

Finding the Fourth Proportional to 83,161.28, 114,753.71 and 49,171.05

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Solution

The fourth proportional to 83,161.28, 114,753.71 and 49,171.05 is: 67,850.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,161.28 : 114,753.71 = 49,171.05 : x
  2. Step 2: Convert to fraction form
    83,161.28/114,753.71 = 49,171.05/x
  3. Step 3: Cross multiply
    83,161.28x = 114,753.71 × 49,171.05
  4. Step 4: Simplify right side
    83,161.28x = 5,642,560,535.02
  5. Step 5: Solve for x
    x = 5,642,560,535.02/83,161.28
  6. Step 6: Final answer
    x = 67,850.81

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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.