Home / 54,114.33-81,163.87-18,575.07

Finding the Fourth Proportional to 54,114.33, 81,163.87 and 18,575.07

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Solution

The fourth proportional to 54,114.33, 81,163.87 and 18,575.07 is: 27,859.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,114.33 : 81,163.87 = 18,575.07 : x
  2. Step 2: Convert to fraction form
    54,114.33/81,163.87 = 18,575.07/x
  3. Step 3: Cross multiply
    54,114.33x = 81,163.87 × 18,575.07
  4. Step 4: Simplify right side
    54,114.33x = 1,507,624,566.72
  5. Step 5: Solve for x
    x = 1,507,624,566.72/54,114.33
  6. Step 6: Final answer
    x = 27,859.99

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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.