Home / 54,471.63-81,723.24-19,414.02

Finding the Fourth Proportional to 54,471.63, 81,723.24 and 19,414.02

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Solution

The fourth proportional to 54,471.63, 81,723.24 and 19,414.02 is: 29,126.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,471.63 : 81,723.24 = 19,414.02 : x
  2. Step 2: Convert to fraction form
    54,471.63/81,723.24 = 19,414.02/x
  3. Step 3: Cross multiply
    54,471.63x = 81,723.24 × 19,414.02
  4. Step 4: Simplify right side
    54,471.63x = 1,586,576,615.82
  5. Step 5: Solve for x
    x = 1,586,576,615.82/54,471.63
  6. Step 6: Final answer
    x = 29,126.66

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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.