Home / 83,811.38-125,716.46-33,890.87

Finding the Fourth Proportional to 83,811.38, 125,716.46 and 33,890.87

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Solution

The fourth proportional to 83,811.38, 125,716.46 and 33,890.87 is: 50,836.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,811.38 : 125,716.46 = 33,890.87 : x
  2. Step 2: Convert to fraction form
    83,811.38/125,716.46 = 33,890.87/x
  3. Step 3: Cross multiply
    83,811.38x = 125,716.46 × 33,890.87
  4. Step 4: Simplify right side
    83,811.38x = 4,260,640,347.56
  5. Step 5: Solve for x
    x = 4,260,640,347.56/83,811.38
  6. Step 6: Final answer
    x = 50,836.06

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1.5x scale

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.