Home / 83,833.19-125,765.31-27,677.21

Finding the Fourth Proportional to 83,833.19, 125,765.31 and 27,677.21

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Solution

The fourth proportional to 83,833.19, 125,765.31 and 27,677.21 is: 41,520.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,833.19 : 125,765.31 = 27,677.21 : x
  2. Step 2: Convert to fraction form
    83,833.19/125,765.31 = 27,677.21/x
  3. Step 3: Cross multiply
    83,833.19x = 125,765.31 × 27,677.21
  4. Step 4: Simplify right side
    83,833.19x = 3,480,832,895.59
  5. Step 5: Solve for x
    x = 3,480,832,895.59/83,833.19
  6. Step 6: Final answer
    x = 41,520.94

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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.