Home / 82,132.82-123,180.39-22,972.67

Finding the Fourth Proportional to 82,132.82, 123,180.39 and 22,972.67

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Solution

The fourth proportional to 82,132.82, 123,180.39 and 22,972.67 is: 34,453.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,132.82 : 123,180.39 = 22,972.67 : x
  2. Step 2: Convert to fraction form
    82,132.82/123,180.39 = 22,972.67/x
  3. Step 3: Cross multiply
    82,132.82x = 123,180.39 × 22,972.67
  4. Step 4: Simplify right side
    82,132.82x = 2,829,782,449.94
  5. Step 5: Solve for x
    x = 2,829,782,449.94/82,132.82
  6. Step 6: Final answer
    x = 34,453.74

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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.