Home / 83,947.46-125,890.94-27,777.20

Finding the Fourth Proportional to 83,947.46, 125,890.94 and 27,777.20

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Solution

The fourth proportional to 83,947.46, 125,890.94 and 27,777.20 is: 41,655.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,947.46 : 125,890.94 = 27,777.20 : x
  2. Step 2: Convert to fraction form
    83,947.46/125,890.94 = 27,777.20/x
  3. Step 3: Cross multiply
    83,947.46x = 125,890.94 × 27,777.20
  4. Step 4: Simplify right side
    83,947.46x = 3,496,897,818.57
  5. Step 5: Solve for x
    x = 3,496,897,818.57/83,947.46
  6. Step 6: Final answer
    x = 41,655.79

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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.