Home / 83,221.26-124,723.17-38,226.30

Finding the Fourth Proportional to 83,221.26, 124,723.17 and 38,226.30

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Solution

The fourth proportional to 83,221.26, 124,723.17 and 38,226.30 is: 57,289.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,221.26 : 124,723.17 = 38,226.30 : x
  2. Step 2: Convert to fraction form
    83,221.26/124,723.17 = 38,226.30/x
  3. Step 3: Cross multiply
    83,221.26x = 124,723.17 × 38,226.30
  4. Step 4: Simplify right side
    83,221.26x = 4,767,705,313.37
  5. Step 5: Solve for x
    x = 4,767,705,313.37/83,221.26
  6. Step 6: Final answer
    x = 57,289.51

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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.