Home / 83,229.96-124,890.28-30,631.80

Finding the Fourth Proportional to 83,229.96, 124,890.28 and 30,631.80

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Solution

The fourth proportional to 83,229.96, 124,890.28 and 30,631.80 is: 45,964.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,229.96 : 124,890.28 = 30,631.80 : x
  2. Step 2: Convert to fraction form
    83,229.96/124,890.28 = 30,631.80/x
  3. Step 3: Cross multiply
    83,229.96x = 124,890.28 × 30,631.80
  4. Step 4: Simplify right side
    83,229.96x = 3,825,614,078.90
  5. Step 5: Solve for x
    x = 3,825,614,078.90/83,229.96
  6. Step 6: Final answer
    x = 45,964.39

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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.