Home / 69,112.33-103,606.79-26,982.61

Finding the Fourth Proportional to 69,112.33, 103,606.79 and 26,982.61

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Solution

The fourth proportional to 69,112.33, 103,606.79 and 26,982.61 is: 40,449.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,112.33 : 103,606.79 = 26,982.61 : x
  2. Step 2: Convert to fraction form
    69,112.33/103,606.79 = 26,982.61/x
  3. Step 3: Cross multiply
    69,112.33x = 103,606.79 × 26,982.61
  4. Step 4: Simplify right side
    69,112.33x = 2,795,581,213.99
  5. Step 5: Solve for x
    x = 2,795,581,213.99/69,112.33
  6. Step 6: Final answer
    x = 40,449.82

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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.