Home / 82,608.45-123,917.40-23,439.48

Finding the Fourth Proportional to 82,608.45, 123,917.40 and 23,439.48

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Solution

The fourth proportional to 82,608.45, 123,917.40 and 23,439.48 is: 35,160.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,608.45 : 123,917.40 = 23,439.48 : x
  2. Step 2: Convert to fraction form
    82,608.45/123,917.40 = 23,439.48/x
  3. Step 3: Cross multiply
    82,608.45x = 123,917.40 × 23,439.48
  4. Step 4: Simplify right side
    82,608.45x = 2,904,559,418.95
  5. Step 5: Solve for x
    x = 2,904,559,418.95/82,608.45
  6. Step 6: Final answer
    x = 35,160.56

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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.