Home / 83,905.70-125,828.57-27,735.44

Finding the Fourth Proportional to 83,905.70, 125,828.57 and 27,735.44

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Solution

The fourth proportional to 83,905.70, 125,828.57 and 27,735.44 is: 41,593.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,905.70 : 125,828.57 = 27,735.44 : x
  2. Step 2: Convert to fraction form
    83,905.70/125,828.57 = 27,735.44/x
  3. Step 3: Cross multiply
    83,905.70x = 125,828.57 × 27,735.44
  4. Step 4: Simplify right side
    83,905.70x = 3,489,910,193.72
  5. Step 5: Solve for x
    x = 3,489,910,193.72/83,905.70
  6. Step 6: Final answer
    x = 41,593.25

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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.