Home / 83,883.12-125,834.16-27,730.56

Finding the Fourth Proportional to 83,883.12, 125,834.16 and 27,730.56

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Solution

The fourth proportional to 83,883.12, 125,834.16 and 27,730.56 is: 41,598.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,883.12 : 125,834.16 = 27,730.56 : x
  2. Step 2: Convert to fraction form
    83,883.12/125,834.16 = 27,730.56/x
  3. Step 3: Cross multiply
    83,883.12x = 125,834.16 × 27,730.56
  4. Step 4: Simplify right side
    83,883.12x = 3,489,451,723.93
  5. Step 5: Solve for x
    x = 3,489,451,723.93/83,883.12
  6. Step 6: Final answer
    x = 41,598.97

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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.