Home / 104,028.20-156,080.70-33,909.80

Finding the Fourth Proportional to 104,028.20, 156,080.70 and 33,909.80

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Solution

The fourth proportional to 104,028.20, 156,080.70 and 33,909.80 is: 50,877.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,028.20 : 156,080.70 = 33,909.80 : x
  2. Step 2: Convert to fraction form
    104,028.20/156,080.70 = 33,909.80/x
  3. Step 3: Cross multiply
    104,028.20x = 156,080.70 × 33,909.80
  4. Step 4: Simplify right side
    104,028.20x = 5,292,665,320.86
  5. Step 5: Solve for x
    x = 5,292,665,320.86/104,028.20
  6. Step 6: Final answer
    x = 50,877.22

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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.