Home / 120,644.45-181,037.24-50,517.89

Finding the Fourth Proportional to 120,644.45, 181,037.24 and 50,517.89

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Solution

The fourth proportional to 120,644.45, 181,037.24 and 50,517.89 is: 75,806.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,644.45 : 181,037.24 = 50,517.89 : x
  2. Step 2: Convert to fraction form
    120,644.45/181,037.24 = 50,517.89/x
  3. Step 3: Cross multiply
    120,644.45x = 181,037.24 × 50,517.89
  4. Step 4: Simplify right side
    120,644.45x = 9,145,619,376.22
  5. Step 5: Solve for x
    x = 9,145,619,376.22/120,644.45
  6. Step 6: Final answer
    x = 75,806.38

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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.