Home / 84,439.88-126,568.68-54,878.96

Finding the Fourth Proportional to 84,439.88, 126,568.68 and 54,878.96

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Solution

The fourth proportional to 84,439.88, 126,568.68 and 54,878.96 is: 82,259.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,439.88 : 126,568.68 = 54,878.96 : x
  2. Step 2: Convert to fraction form
    84,439.88/126,568.68 = 54,878.96/x
  3. Step 3: Cross multiply
    84,439.88x = 126,568.68 × 54,878.96
  4. Step 4: Simplify right side
    84,439.88x = 6,945,957,526.97
  5. Step 5: Solve for x
    x = 6,945,957,526.97/84,439.88
  6. Step 6: Final answer
    x = 82,259.21

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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.