Home / 52,727.44-79,120.32-21,584.56

Finding the Fourth Proportional to 52,727.44, 79,120.32 and 21,584.56

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Solution

The fourth proportional to 52,727.44, 79,120.32 and 21,584.56 is: 32,388.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,727.44 : 79,120.32 = 21,584.56 : x
  2. Step 2: Convert to fraction form
    52,727.44/79,120.32 = 21,584.56/x
  3. Step 3: Cross multiply
    52,727.44x = 79,120.32 × 21,584.56
  4. Step 4: Simplify right side
    52,727.44x = 1,707,777,294.26
  5. Step 5: Solve for x
    x = 1,707,777,294.26/52,727.44
  6. Step 6: Final answer
    x = 32,388.78

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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.