Home / 109,691.40-164,464.20-50,496.60

Finding the Fourth Proportional to 109,691.40, 164,464.20 and 50,496.60

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Solution

The fourth proportional to 109,691.40, 164,464.20 and 50,496.60 is: 75,711.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,691.40 : 164,464.20 = 50,496.60 : x
  2. Step 2: Convert to fraction form
    109,691.40/164,464.20 = 50,496.60/x
  3. Step 3: Cross multiply
    109,691.40x = 164,464.20 × 50,496.60
  4. Step 4: Simplify right side
    109,691.40x = 8,304,882,921.72
  5. Step 5: Solve for x
    x = 8,304,882,921.72/109,691.40
  6. Step 6: Final answer
    x = 75,711.34

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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.