Home / 82,236.07-123,358.51-26,080.45

Finding the Fourth Proportional to 82,236.07, 123,358.51 and 26,080.45

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Solution

The fourth proportional to 82,236.07, 123,358.51 and 26,080.45 is: 39,122.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,236.07 : 123,358.51 = 26,080.45 : x
  2. Step 2: Convert to fraction form
    82,236.07/123,358.51 = 26,080.45/x
  3. Step 3: Cross multiply
    82,236.07x = 123,358.51 × 26,080.45
  4. Step 4: Simplify right side
    82,236.07x = 3,217,245,176.33
  5. Step 5: Solve for x
    x = 3,217,245,176.33/82,236.07
  6. Step 6: Final answer
    x = 39,122.07

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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.