Home / 107,936.38-161,806.56-37,777.42

Finding the Fourth Proportional to 107,936.38, 161,806.56 and 37,777.42

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Solution

The fourth proportional to 107,936.38, 161,806.56 and 37,777.42 is: 56,631.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,936.38 : 161,806.56 = 37,777.42 : x
  2. Step 2: Convert to fraction form
    107,936.38/161,806.56 = 37,777.42/x
  3. Step 3: Cross multiply
    107,936.38x = 161,806.56 × 37,777.42
  4. Step 4: Simplify right side
    107,936.38x = 6,112,634,375.88
  5. Step 5: Solve for x
    x = 6,112,634,375.88/107,936.38
  6. Step 6: Final answer
    x = 56,631.83

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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.