Home / 120,757.06-181,077.32-50,617.54

Finding the Fourth Proportional to 120,757.06, 181,077.32 and 50,617.54

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Solution

The fourth proportional to 120,757.06, 181,077.32 and 50,617.54 is: 75,901.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,757.06 : 181,077.32 = 50,617.54 : x
  2. Step 2: Convert to fraction form
    120,757.06/181,077.32 = 50,617.54/x
  3. Step 3: Cross multiply
    120,757.06x = 181,077.32 × 50,617.54
  4. Step 4: Simplify right side
    120,757.06x = 9,165,687,582.81
  5. Step 5: Solve for x
    x = 9,165,687,582.81/120,757.06
  6. Step 6: Final answer
    x = 75,901.88

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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.