Home / 52,422-72,345.24-30,067.44

Finding the Fourth Proportional to 52,422, 72,345.24 and 30,067.44

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Solution

The fourth proportional to 52,422, 72,345.24 and 30,067.44 is: 41,494.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,422 : 72,345.24 = 30,067.44 : x
  2. Step 2: Convert to fraction form
    52,422/72,345.24 = 30,067.44/x
  3. Step 3: Cross multiply
    52,422x = 72,345.24 × 30,067.44
  4. Step 4: Simplify right side
    52,422x = 2,175,236,162.99
  5. Step 5: Solve for x
    x = 2,175,236,162.99/52,422
  6. Step 6: Final answer
    x = 41,494.72

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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.