Home / 54,764.73-82,147.10-19,703.48

Finding the Fourth Proportional to 54,764.73, 82,147.10 and 19,703.48

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Solution

The fourth proportional to 54,764.73, 82,147.10 and 19,703.48 is: 29,555.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,764.73 : 82,147.10 = 19,703.48 : x
  2. Step 2: Convert to fraction form
    54,764.73/82,147.10 = 19,703.48/x
  3. Step 3: Cross multiply
    54,764.73x = 82,147.10 × 19,703.48
  4. Step 4: Simplify right side
    54,764.73x = 1,618,583,232.66
  5. Step 5: Solve for x
    x = 1,618,583,232.66/54,764.73
  6. Step 6: Final answer
    x = 29,555.21

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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.