Home / 69,215.54-103,806.03-22,481.78

Finding the Fourth Proportional to 69,215.54, 103,806.03 and 22,481.78

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Solution

The fourth proportional to 69,215.54, 103,806.03 and 22,481.78 is: 33,717.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,215.54 : 103,806.03 = 22,481.78 : x
  2. Step 2: Convert to fraction form
    69,215.54/103,806.03 = 22,481.78/x
  3. Step 3: Cross multiply
    69,215.54x = 103,806.03 × 22,481.78
  4. Step 4: Simplify right side
    69,215.54x = 2,333,744,329.13
  5. Step 5: Solve for x
    x = 2,333,744,329.13/69,215.54
  6. Step 6: Final answer
    x = 33,717.06

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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.