Home / 57,335.56-79,120.39-31,843.58

Finding the Fourth Proportional to 57,335.56, 79,120.39 and 31,843.58

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Solution

The fourth proportional to 57,335.56, 79,120.39 and 31,843.58 is: 43,942.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,335.56 : 79,120.39 = 31,843.58 : x
  2. Step 2: Convert to fraction form
    57,335.56/79,120.39 = 31,843.58/x
  3. Step 3: Cross multiply
    57,335.56x = 79,120.39 × 31,843.58
  4. Step 4: Simplify right side
    57,335.56x = 2,519,476,468.60
  5. Step 5: Solve for x
    x = 2,519,476,468.60/57,335.56
  6. Step 6: Final answer
    x = 43,942.65

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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.