Home / 54,735.56-82,083.18-19,665.80

Finding the Fourth Proportional to 54,735.56, 82,083.18 and 19,665.80

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Solution

The fourth proportional to 54,735.56, 82,083.18 and 19,665.80 is: 29,491.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,735.56 : 82,083.18 = 19,665.80 : x
  2. Step 2: Convert to fraction form
    54,735.56/82,083.18 = 19,665.80/x
  3. Step 3: Cross multiply
    54,735.56x = 82,083.18 × 19,665.80
  4. Step 4: Simplify right side
    54,735.56x = 1,614,231,401.24
  5. Step 5: Solve for x
    x = 1,614,231,401.24/54,735.56
  6. Step 6: Final answer
    x = 29,491.46

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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.