Home / 57,612.05-86,396.20-32,669.31

Finding the Fourth Proportional to 57,612.05, 86,396.20 and 32,669.31

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Solution

The fourth proportional to 57,612.05, 86,396.20 and 32,669.31 is: 48,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,612.05 : 86,396.20 = 32,669.31 : x
  2. Step 2: Convert to fraction form
    57,612.05/86,396.20 = 32,669.31/x
  3. Step 3: Cross multiply
    57,612.05x = 86,396.20 × 32,669.31
  4. Step 4: Simplify right side
    57,612.05x = 2,822,504,240.62
  5. Step 5: Solve for x
    x = 2,822,504,240.62/57,612.05
  6. Step 6: Final answer
    x = 48,991.56

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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.