Home / 83,508.22-125,260.89-28,104.22

Finding the Fourth Proportional to 83,508.22, 125,260.89 and 28,104.22

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Solution

The fourth proportional to 83,508.22, 125,260.89 and 28,104.22 is: 42,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,508.22 : 125,260.89 = 28,104.22 : x
  2. Step 2: Convert to fraction form
    83,508.22/125,260.89 = 28,104.22/x
  3. Step 3: Cross multiply
    83,508.22x = 125,260.89 × 28,104.22
  4. Step 4: Simplify right side
    83,508.22x = 3,520,359,609.96
  5. Step 5: Solve for x
    x = 3,520,359,609.96/83,508.22
  6. Step 6: Final answer
    x = 42,155.85

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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.