Home / 54,126.13-81,133.83-27,422.64

Finding the Fourth Proportional to 54,126.13, 81,133.83 and 27,422.64

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Solution

The fourth proportional to 54,126.13, 81,133.83 and 27,422.64 is: 41,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,126.13 : 81,133.83 = 27,422.64 : x
  2. Step 2: Convert to fraction form
    54,126.13/81,133.83 = 27,422.64/x
  3. Step 3: Cross multiply
    54,126.13x = 81,133.83 × 27,422.64
  4. Step 4: Simplify right side
    54,126.13x = 2,224,903,406.24
  5. Step 5: Solve for x
    x = 2,224,903,406.24/54,126.13
  6. Step 6: Final answer
    x = 41,105.90

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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.