Home / 104,101.20-156,113.40-33,982.80

Finding the Fourth Proportional to 104,101.20, 156,113.40 and 33,982.80

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Solution

The fourth proportional to 104,101.20, 156,113.40 and 33,982.80 is: 50,961.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,101.20 : 156,113.40 = 33,982.80 : x
  2. Step 2: Convert to fraction form
    104,101.20/156,113.40 = 33,982.80/x
  3. Step 3: Cross multiply
    104,101.20x = 156,113.40 × 33,982.80
  4. Step 4: Simplify right side
    104,101.20x = 5,305,170,449.52
  5. Step 5: Solve for x
    x = 5,305,170,449.52/104,101.20
  6. Step 6: Final answer
    x = 50,961.66

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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.