Home / 83,177.60-124,766.40-30,576.20

Finding the Fourth Proportional to 83,177.60, 124,766.40 and 30,576.20

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Solution

The fourth proportional to 83,177.60, 124,766.40 and 30,576.20 is: 45,864.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,177.60 : 124,766.40 = 30,576.20 : x
  2. Step 2: Convert to fraction form
    83,177.60/124,766.40 = 30,576.20/x
  3. Step 3: Cross multiply
    83,177.60x = 124,766.40 × 30,576.20
  4. Step 4: Simplify right side
    83,177.60x = 3,814,882,399.68
  5. Step 5: Solve for x
    x = 3,814,882,399.68/83,177.60
  6. Step 6: Final answer
    x = 45,864.30

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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.