Home / 75,489.57-104,175.52-43,660.42

Finding the Fourth Proportional to 75,489.57, 104,175.52 and 43,660.42

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Solution

The fourth proportional to 75,489.57, 104,175.52 and 43,660.42 is: 60,251.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,489.57 : 104,175.52 = 43,660.42 : x
  2. Step 2: Convert to fraction form
    75,489.57/104,175.52 = 43,660.42/x
  3. Step 3: Cross multiply
    75,489.57x = 104,175.52 × 43,660.42
  4. Step 4: Simplify right side
    75,489.57x = 4,548,346,587.33
  5. Step 5: Solve for x
    x = 4,548,346,587.33/75,489.57
  6. Step 6: Final answer
    x = 60,251.32

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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.