Home / 50,771.73-70,067.91-28,115.34

Finding the Fourth Proportional to 50,771.73, 70,067.91 and 28,115.34

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Solution

The fourth proportional to 50,771.73, 70,067.91 and 28,115.34 is: 38,800.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,771.73 : 70,067.91 = 28,115.34 : x
  2. Step 2: Convert to fraction form
    50,771.73/70,067.91 = 28,115.34/x
  3. Step 3: Cross multiply
    50,771.73x = 70,067.91 × 28,115.34
  4. Step 4: Simplify right side
    50,771.73x = 1,969,983,112.74
  5. Step 5: Solve for x
    x = 1,969,983,112.74/50,771.73
  6. Step 6: Final answer
    x = 38,800.79

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1.5x scale

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.