Home / 100,620.20-150,999.50-41,455.88

Finding the Fourth Proportional to 100,620.20, 150,999.50 and 41,455.88

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Solution

The fourth proportional to 100,620.20, 150,999.50 and 41,455.88 is: 62,212.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,620.20 : 150,999.50 = 41,455.88 : x
  2. Step 2: Convert to fraction form
    100,620.20/150,999.50 = 41,455.88/x
  3. Step 3: Cross multiply
    100,620.20x = 150,999.50 × 41,455.88
  4. Step 4: Simplify right side
    100,620.20x = 6,259,816,189.78
  5. Step 5: Solve for x
    x = 6,259,816,189.78/100,620.20
  6. Step 6: Final answer
    x = 62,212.32

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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.