Home / 120,825.44-181,270.68-50,685.92

Finding the Fourth Proportional to 120,825.44, 181,270.68 and 50,685.92

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Solution

The fourth proportional to 120,825.44, 181,270.68 and 50,685.92 is: 76,042.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,825.44 : 181,270.68 = 50,685.92 : x
  2. Step 2: Convert to fraction form
    120,825.44/181,270.68 = 50,685.92/x
  3. Step 3: Cross multiply
    120,825.44x = 181,270.68 × 50,685.92
  4. Step 4: Simplify right side
    120,825.44x = 9,187,871,184.83
  5. Step 5: Solve for x
    x = 9,187,871,184.83/120,825.44
  6. Step 6: Final answer
    x = 76,042.52

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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.