Home / 54,361.05-81,532.10-14,380.43

Finding the Fourth Proportional to 54,361.05, 81,532.10 and 14,380.43

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Solution

The fourth proportional to 54,361.05, 81,532.10 and 14,380.43 is: 21,568.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,361.05 : 81,532.10 = 14,380.43 : x
  2. Step 2: Convert to fraction form
    54,361.05/81,532.10 = 14,380.43/x
  3. Step 3: Cross multiply
    54,361.05x = 81,532.10 × 14,380.43
  4. Step 4: Simplify right side
    54,361.05x = 1,172,466,177.24
  5. Step 5: Solve for x
    x = 1,172,466,177.24/54,361.05
  6. Step 6: Final answer
    x = 21,568.13

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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.