Home / 54,209.68-81,361.23-37,581.39

Finding the Fourth Proportional to 54,209.68, 81,361.23 and 37,581.39

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Solution

The fourth proportional to 54,209.68, 81,361.23 and 37,581.39 is: 56,404.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,209.68 : 81,361.23 = 37,581.39 : x
  2. Step 2: Convert to fraction form
    54,209.68/81,361.23 = 37,581.39/x
  3. Step 3: Cross multiply
    54,209.68x = 81,361.23 × 37,581.39
  4. Step 4: Simplify right side
    54,209.68x = 3,057,668,115.51
  5. Step 5: Solve for x
    x = 3,057,668,115.51/54,209.68
  6. Step 6: Final answer
    x = 56,404.47

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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.