Home / 54,174.38-81,263.70-16,731.12

Finding the Fourth Proportional to 54,174.38, 81,263.70 and 16,731.12

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Solution

The fourth proportional to 54,174.38, 81,263.70 and 16,731.12 is: 25,097.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,174.38 : 81,263.70 = 16,731.12 : x
  2. Step 2: Convert to fraction form
    54,174.38/81,263.70 = 16,731.12/x
  3. Step 3: Cross multiply
    54,174.38x = 81,263.70 × 16,731.12
  4. Step 4: Simplify right side
    54,174.38x = 1,359,632,632.69
  5. Step 5: Solve for x
    x = 1,359,632,632.69/54,174.38
  6. Step 6: Final answer
    x = 25,097.34

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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.