Home / 79,842.78-119,743.73-23,669.75

Finding the Fourth Proportional to 79,842.78, 119,743.73 and 23,669.75

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Solution

The fourth proportional to 79,842.78, 119,743.73 and 23,669.75 is: 35,498.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,842.78 : 119,743.73 = 23,669.75 : x
  2. Step 2: Convert to fraction form
    79,842.78/119,743.73 = 23,669.75/x
  3. Step 3: Cross multiply
    79,842.78x = 119,743.73 × 23,669.75
  4. Step 4: Simplify right side
    79,842.78x = 2,834,304,556.08
  5. Step 5: Solve for x
    x = 2,834,304,556.08/79,842.78
  6. Step 6: Final answer
    x = 35,498.57

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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.