Home / 45,349.20-68,027.04-12,067.92

Finding the Fourth Proportional to 45,349.20, 68,027.04 and 12,067.92

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Solution

The fourth proportional to 45,349.20, 68,027.04 and 12,067.92 is: 18,102.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,349.20 : 68,027.04 = 12,067.92 : x
  2. Step 2: Convert to fraction form
    45,349.20/68,027.04 = 12,067.92/x
  3. Step 3: Cross multiply
    45,349.20x = 68,027.04 × 12,067.92
  4. Step 4: Simplify right side
    45,349.20x = 820,944,876.56
  5. Step 5: Solve for x
    x = 820,944,876.56/45,349.20
  6. Step 6: Final answer
    x = 18,102.74

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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.