Home / 83,177.10-124,765.65-45,722.70

Finding the Fourth Proportional to 83,177.10, 124,765.65 and 45,722.70

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Solution

The fourth proportional to 83,177.10, 124,765.65 and 45,722.70 is: 68,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,177.10 : 124,765.65 = 45,722.70 : x
  2. Step 2: Convert to fraction form
    83,177.10/124,765.65 = 45,722.70/x
  3. Step 3: Cross multiply
    83,177.10x = 124,765.65 × 45,722.70
  4. Step 4: Simplify right side
    83,177.10x = 5,704,622,385.26
  5. Step 5: Solve for x
    x = 5,704,622,385.26/83,177.10
  6. Step 6: Final answer
    x = 68,584.05

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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.