Home / 54,375.68-81,568.38-21,094.94

Finding the Fourth Proportional to 54,375.68, 81,568.38 and 21,094.94

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Solution

The fourth proportional to 54,375.68, 81,568.38 and 21,094.94 is: 31,644.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,375.68 : 81,568.38 = 21,094.94 : x
  2. Step 2: Convert to fraction form
    54,375.68/81,568.38 = 21,094.94/x
  3. Step 3: Cross multiply
    54,375.68x = 81,568.38 × 21,094.94
  4. Step 4: Simplify right side
    54,375.68x = 1,720,680,082.00
  5. Step 5: Solve for x
    x = 1,720,680,082.00/54,375.68
  6. Step 6: Final answer
    x = 31,644.30

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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.