Home / 109,634.60-164,403.30-50,439.80

Finding the Fourth Proportional to 109,634.60, 164,403.30 and 50,439.80

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Solution

The fourth proportional to 109,634.60, 164,403.30 and 50,439.80 is: 75,637.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,634.60 : 164,403.30 = 50,439.80 : x
  2. Step 2: Convert to fraction form
    109,634.60/164,403.30 = 50,439.80/x
  3. Step 3: Cross multiply
    109,634.60x = 164,403.30 × 50,439.80
  4. Step 4: Simplify right side
    109,634.60x = 8,292,469,571.34
  5. Step 5: Solve for x
    x = 8,292,469,571.34/109,634.60
  6. Step 6: Final answer
    x = 75,637.34

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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.