Home / 109,648.66-164,454.27-39,517.78

Finding the Fourth Proportional to 109,648.66, 164,454.27 and 39,517.78

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Solution

The fourth proportional to 109,648.66, 164,454.27 and 39,517.78 is: 59,269.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,648.66 : 164,454.27 = 39,517.78 : x
  2. Step 2: Convert to fraction form
    109,648.66/164,454.27 = 39,517.78/x
  3. Step 3: Cross multiply
    109,648.66x = 164,454.27 × 39,517.78
  4. Step 4: Simplify right side
    109,648.66x = 6,498,867,661.92
  5. Step 5: Solve for x
    x = 6,498,867,661.92/109,648.66
  6. Step 6: Final answer
    x = 59,269.92

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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.