Home / 57,190.20-85,842.90-27,631.80

Finding the Fourth Proportional to 57,190.20, 85,842.90 and 27,631.80

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Solution

The fourth proportional to 57,190.20, 85,842.90 and 27,631.80 is: 41,475.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,190.20 : 85,842.90 = 27,631.80 : x
  2. Step 2: Convert to fraction form
    57,190.20/85,842.90 = 27,631.80/x
  3. Step 3: Cross multiply
    57,190.20x = 85,842.90 × 27,631.80
  4. Step 4: Simplify right side
    57,190.20x = 2,371,993,844.22
  5. Step 5: Solve for x
    x = 2,371,993,844.22/57,190.20
  6. Step 6: Final answer
    x = 41,475.53

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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.