Home / 107,442.06-161,233.08-40,882.78

Finding the Fourth Proportional to 107,442.06, 161,233.08 and 40,882.78

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Solution

The fourth proportional to 107,442.06, 161,233.08 and 40,882.78 is: 61,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,442.06 : 161,233.08 = 40,882.78 : x
  2. Step 2: Convert to fraction form
    107,442.06/161,233.08 = 40,882.78/x
  3. Step 3: Cross multiply
    107,442.06x = 161,233.08 × 40,882.78
  4. Step 4: Simplify right side
    107,442.06x = 6,591,656,538.36
  5. Step 5: Solve for x
    x = 6,591,656,538.36/107,442.06
  6. Step 6: Final answer
    x = 61,350.80

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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.