Home / 54,126.27-81,168.63-18,580.97

Finding the Fourth Proportional to 54,126.27, 81,168.63 and 18,580.97

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Solution

The fourth proportional to 54,126.27, 81,168.63 and 18,580.97 is: 27,864.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,126.27 : 81,168.63 = 18,580.97 : x
  2. Step 2: Convert to fraction form
    54,126.27/81,168.63 = 18,580.97/x
  3. Step 3: Cross multiply
    54,126.27x = 81,168.63 × 18,580.97
  4. Step 4: Simplify right side
    54,126.27x = 1,508,191,473.13
  5. Step 5: Solve for x
    x = 1,508,191,473.13/54,126.27
  6. Step 6: Final answer
    x = 27,864.32

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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.