Home / 82,106.75-123,177.99-25,180.69

Finding the Fourth Proportional to 82,106.75, 123,177.99 and 25,180.69

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Solution

The fourth proportional to 82,106.75, 123,177.99 and 25,180.69 is: 37,776.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,106.75 : 123,177.99 = 25,180.69 : x
  2. Step 2: Convert to fraction form
    82,106.75/123,177.99 = 25,180.69/x
  3. Step 3: Cross multiply
    82,106.75x = 123,177.99 × 25,180.69
  4. Step 4: Simplify right side
    82,106.75x = 3,101,706,207.98
  5. Step 5: Solve for x
    x = 3,101,706,207.98/82,106.75
  6. Step 6: Final answer
    x = 37,776.51

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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.