Home / 102,711.40-154,067.10-36,226.60

Finding the Fourth Proportional to 102,711.40, 154,067.10 and 36,226.60

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Solution

The fourth proportional to 102,711.40, 154,067.10 and 36,226.60 is: 54,339.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,711.40 : 154,067.10 = 36,226.60 : x
  2. Step 2: Convert to fraction form
    102,711.40/154,067.10 = 36,226.60/x
  3. Step 3: Cross multiply
    102,711.40x = 154,067.10 × 36,226.60
  4. Step 4: Simplify right side
    102,711.40x = 5,581,327,204.86
  5. Step 5: Solve for x
    x = 5,581,327,204.86/102,711.40
  6. Step 6: Final answer
    x = 54,339.90

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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.