Home / 83,789.56-125,702.88-27,647.04

Finding the Fourth Proportional to 83,789.56, 125,702.88 and 27,647.04

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Solution

The fourth proportional to 83,789.56, 125,702.88 and 27,647.04 is: 41,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,789.56 : 125,702.88 = 27,647.04 : x
  2. Step 2: Convert to fraction form
    83,789.56/125,702.88 = 27,647.04/x
  3. Step 3: Cross multiply
    83,789.56x = 125,702.88 × 27,647.04
  4. Step 4: Simplify right side
    83,789.56x = 3,475,312,551.48
  5. Step 5: Solve for x
    x = 3,475,312,551.48/83,789.56
  6. Step 6: Final answer
    x = 41,476.68

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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.