Home / 113,963.42-170,965.79-57,067

Finding the Fourth Proportional to 113,963.42, 170,965.79 and 57,067

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Solution

The fourth proportional to 113,963.42, 170,965.79 and 57,067 is: 85,610.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,963.42 : 170,965.79 = 57,067 : x
  2. Step 2: Convert to fraction form
    113,963.42/170,965.79 = 57,067/x
  3. Step 3: Cross multiply
    113,963.42x = 170,965.79 × 57,067
  4. Step 4: Simplify right side
    113,963.42x = 9,756,504,737.93
  5. Step 5: Solve for x
    x = 9,756,504,737.93/113,963.42
  6. Step 6: Final answer
    x = 85,610.85

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1.5x scale

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.