Home / 126,791.54-174,972.61-69,434.62

Finding the Fourth Proportional to 126,791.54, 174,972.61 and 69,434.62

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Solution

The fourth proportional to 126,791.54, 174,972.61 and 69,434.62 is: 95,819.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,791.54 : 174,972.61 = 69,434.62 : x
  2. Step 2: Convert to fraction form
    126,791.54/174,972.61 = 69,434.62/x
  3. Step 3: Cross multiply
    126,791.54x = 174,972.61 × 69,434.62
  4. Step 4: Simplify right side
    126,791.54x = 12,149,156,335.12
  5. Step 5: Solve for x
    x = 12,149,156,335.12/126,791.54
  6. Step 6: Final answer
    x = 95,819.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.