Home / 75,414.38-104,067.79-43,149.63

Finding the Fourth Proportional to 75,414.38, 104,067.79 and 43,149.63

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Solution

The fourth proportional to 75,414.38, 104,067.79 and 43,149.63 is: 59,544.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,414.38 : 104,067.79 = 43,149.63 : x
  2. Step 2: Convert to fraction form
    75,414.38/104,067.79 = 43,149.63/x
  3. Step 3: Cross multiply
    75,414.38x = 104,067.79 × 43,149.63
  4. Step 4: Simplify right side
    75,414.38x = 4,490,486,525.54
  5. Step 5: Solve for x
    x = 4,490,486,525.54/75,414.38
  6. Step 6: Final answer
    x = 59,544.17

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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.