Home / 54,138.53-81,206.43-14,694.62

Finding the Fourth Proportional to 54,138.53, 81,206.43 and 14,694.62

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Solution

The fourth proportional to 54,138.53, 81,206.43 and 14,694.62 is: 22,041.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,138.53 : 81,206.43 = 14,694.62 : x
  2. Step 2: Convert to fraction form
    54,138.53/81,206.43 = 14,694.62/x
  3. Step 3: Cross multiply
    54,138.53x = 81,206.43 × 14,694.62
  4. Step 4: Simplify right side
    54,138.53x = 1,193,297,630.41
  5. Step 5: Solve for x
    x = 1,193,297,630.41/54,138.53
  6. Step 6: Final answer
    x = 22,041.56

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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.