Home / 57,342.28-86,013.42-32,405.62

Finding the Fourth Proportional to 57,342.28, 86,013.42 and 32,405.62

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Solution

The fourth proportional to 57,342.28, 86,013.42 and 32,405.62 is: 48,608.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,342.28 : 86,013.42 = 32,405.62 : x
  2. Step 2: Convert to fraction form
    57,342.28/86,013.42 = 32,405.62/x
  3. Step 3: Cross multiply
    57,342.28x = 86,013.42 × 32,405.62
  4. Step 4: Simplify right side
    57,342.28x = 2,787,318,203.42
  5. Step 5: Solve for x
    x = 2,787,318,203.42/57,342.28
  6. Step 6: Final answer
    x = 48,608.43

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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.