Home / 55,067.52-76,029.12-38,340.48

Finding the Fourth Proportional to 55,067.52, 76,029.12 and 38,340.48

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Solution

The fourth proportional to 55,067.52, 76,029.12 and 38,340.48 is: 52,934.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,067.52 : 76,029.12 = 38,340.48 : x
  2. Step 2: Convert to fraction form
    55,067.52/76,029.12 = 38,340.48/x
  3. Step 3: Cross multiply
    55,067.52x = 76,029.12 × 38,340.48
  4. Step 4: Simplify right side
    55,067.52x = 2,914,992,954.78
  5. Step 5: Solve for x
    x = 2,914,992,954.78/55,067.52
  6. Step 6: Final answer
    x = 52,934.89

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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.