Home / 107,982.21-161,974.76-37,863.57

Finding the Fourth Proportional to 107,982.21, 161,974.76 and 37,863.57

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Solution

The fourth proportional to 107,982.21, 161,974.76 and 37,863.57 is: 56,795.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,982.21 : 161,974.76 = 37,863.57 : x
  2. Step 2: Convert to fraction form
    107,982.21/161,974.76 = 37,863.57/x
  3. Step 3: Cross multiply
    107,982.21x = 161,974.76 × 37,863.57
  4. Step 4: Simplify right side
    107,982.21x = 6,132,942,474.18
  5. Step 5: Solve for x
    x = 6,132,942,474.18/107,982.21
  6. Step 6: Final answer
    x = 56,795.86

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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.