Home / 54,126.24-81,168.58-18,580.93

Finding the Fourth Proportional to 54,126.24, 81,168.58 and 18,580.93

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Solution

The fourth proportional to 54,126.24, 81,168.58 and 18,580.93 is: 27,864.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,126.24 : 81,168.58 = 18,580.93 : x
  2. Step 2: Convert to fraction form
    54,126.24/81,168.58 = 18,580.93/x
  3. Step 3: Cross multiply
    54,126.24x = 81,168.58 × 18,580.93
  4. Step 4: Simplify right side
    54,126.24x = 1,508,187,703.18
  5. Step 5: Solve for x
    x = 1,508,187,703.18/54,126.24
  6. Step 6: Final answer
    x = 27,864.26

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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.