Home / 107,840.80-161,761.20-32,961.16

Finding the Fourth Proportional to 107,840.80, 161,761.20 and 32,961.16

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Solution

The fourth proportional to 107,840.80, 161,761.20 and 32,961.16 is: 49,441.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,840.80 : 161,761.20 = 32,961.16 : x
  2. Step 2: Convert to fraction form
    107,840.80/161,761.20 = 32,961.16/x
  3. Step 3: Cross multiply
    107,840.80x = 161,761.20 × 32,961.16
  4. Step 4: Simplify right side
    107,840.80x = 5,331,835,986.19
  5. Step 5: Solve for x
    x = 5,331,835,986.19/107,840.80
  6. Step 6: Final answer
    x = 49,441.73

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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.