Home / 69,819.38-104,729.07-57,481.46

Finding the Fourth Proportional to 69,819.38, 104,729.07 and 57,481.46

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Solution

The fourth proportional to 69,819.38, 104,729.07 and 57,481.46 is: 86,222.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,819.38 : 104,729.07 = 57,481.46 : x
  2. Step 2: Convert to fraction form
    69,819.38/104,729.07 = 57,481.46/x
  3. Step 3: Cross multiply
    69,819.38x = 104,729.07 × 57,481.46
  4. Step 4: Simplify right side
    69,819.38x = 6,019,979,848.04
  5. Step 5: Solve for x
    x = 6,019,979,848.04/69,819.38
  6. Step 6: Final answer
    x = 86,222.19

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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.