Home / 126,776.20-174,950.52-69,414.48

Finding the Fourth Proportional to 126,776.20, 174,950.52 and 69,414.48

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Solution

The fourth proportional to 126,776.20, 174,950.52 and 69,414.48 is: 95,791.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,776.20 : 174,950.52 = 69,414.48 : x
  2. Step 2: Convert to fraction form
    126,776.20/174,950.52 = 69,414.48/x
  3. Step 3: Cross multiply
    126,776.20x = 174,950.52 × 69,414.48
  4. Step 4: Simplify right side
    126,776.20x = 12,144,099,569.41
  5. Step 5: Solve for x
    x = 12,144,099,569.41/126,776.20
  6. Step 6: Final answer
    x = 95,791.63

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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.