Home / 53,468.82-80,221.55-20,198.48

Finding the Fourth Proportional to 53,468.82, 80,221.55 and 20,198.48

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Solution

The fourth proportional to 53,468.82, 80,221.55 and 20,198.48 is: 30,304.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,468.82 : 80,221.55 = 20,198.48 : x
  2. Step 2: Convert to fraction form
    53,468.82/80,221.55 = 20,198.48/x
  3. Step 3: Cross multiply
    53,468.82x = 80,221.55 × 20,198.48
  4. Step 4: Simplify right side
    53,468.82x = 1,620,352,871.14
  5. Step 5: Solve for x
    x = 1,620,352,871.14/53,468.82
  6. Step 6: Final answer
    x = 30,304.63

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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.