Home / 100,650.11-150,999.89-50,073.00

Finding the Fourth Proportional to 100,650.11, 150,999.89 and 50,073.00

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Solution

The fourth proportional to 100,650.11, 150,999.89 and 50,073.00 is: 75,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,650.11 : 150,999.89 = 50,073.00 : x
  2. Step 2: Convert to fraction form
    100,650.11/150,999.89 = 50,073.00/x
  3. Step 3: Cross multiply
    100,650.11x = 150,999.89 × 50,073.00
  4. Step 4: Simplify right side
    100,650.11x = 7,561,017,869.47
  5. Step 5: Solve for x
    x = 7,561,017,869.47/100,650.11
  6. Step 6: Final answer
    x = 75,121.80

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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.