Home / 69,842.54-104,764.78-19,922.66

Finding the Fourth Proportional to 69,842.54, 104,764.78 and 19,922.66

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Solution

The fourth proportional to 69,842.54, 104,764.78 and 19,922.66 is: 29,884.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,842.54 : 104,764.78 = 19,922.66 : x
  2. Step 2: Convert to fraction form
    69,842.54/104,764.78 = 19,922.66/x
  3. Step 3: Cross multiply
    69,842.54x = 104,764.78 × 19,922.66
  4. Step 4: Simplify right side
    69,842.54x = 2,087,193,091.91
  5. Step 5: Solve for x
    x = 2,087,193,091.91/69,842.54
  6. Step 6: Final answer
    x = 29,884.27

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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.