Home / 83,867.39-125,813.50-27,713.43

Finding the Fourth Proportional to 83,867.39, 125,813.50 and 27,713.43

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Solution

The fourth proportional to 83,867.39, 125,813.50 and 27,713.43 is: 41,574.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,867.39 : 125,813.50 = 27,713.43 : x
  2. Step 2: Convert to fraction form
    83,867.39/125,813.50 = 27,713.43/x
  3. Step 3: Cross multiply
    83,867.39x = 125,813.50 × 27,713.43
  4. Step 4: Simplify right side
    83,867.39x = 3,486,723,625.31
  5. Step 5: Solve for x
    x = 3,486,723,625.31/83,867.39
  6. Step 6: Final answer
    x = 41,574.25

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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.