Home / 50,773.28-70,067.66-28,112.61

Finding the Fourth Proportional to 50,773.28, 70,067.66 and 28,112.61

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Solution

The fourth proportional to 50,773.28, 70,067.66 and 28,112.61 is: 38,795.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,773.28 : 70,067.66 = 28,112.61 : x
  2. Step 2: Convert to fraction form
    50,773.28/70,067.66 = 28,112.61/x
  3. Step 3: Cross multiply
    50,773.28x = 70,067.66 × 28,112.61
  4. Step 4: Simplify right side
    50,773.28x = 1,969,784,658.63
  5. Step 5: Solve for x
    x = 1,969,784,658.63/50,773.28
  6. Step 6: Final answer
    x = 38,795.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.