Home / 83,029.20-124,527.60-26,855.70

Finding the Fourth Proportional to 83,029.20, 124,527.60 and 26,855.70

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Solution

The fourth proportional to 83,029.20, 124,527.60 and 26,855.70 is: 40,278.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,029.20 : 124,527.60 = 26,855.70 : x
  2. Step 2: Convert to fraction form
    83,029.20/124,527.60 = 26,855.70/x
  3. Step 3: Cross multiply
    83,029.20x = 124,527.60 × 26,855.70
  4. Step 4: Simplify right side
    83,029.20x = 3,344,275,867.32
  5. Step 5: Solve for x
    x = 3,344,275,867.32/83,029.20
  6. Step 6: Final answer
    x = 40,278.31

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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.