Home / 63,249.74-94,843.62-21,115.36

Finding the Fourth Proportional to 63,249.74, 94,843.62 and 21,115.36

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Solution

The fourth proportional to 63,249.74, 94,843.62 and 21,115.36 is: 31,662.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,249.74 : 94,843.62 = 21,115.36 : x
  2. Step 2: Convert to fraction form
    63,249.74/94,843.62 = 21,115.36/x
  3. Step 3: Cross multiply
    63,249.74x = 94,843.62 × 21,115.36
  4. Step 4: Simplify right side
    63,249.74x = 2,002,656,942.89
  5. Step 5: Solve for x
    x = 2,002,656,942.89/63,249.74
  6. Step 6: Final answer
    x = 31,662.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.