Home / 54,940.20-82,410.30-15,496.80

Finding the Fourth Proportional to 54,940.20, 82,410.30 and 15,496.80

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Solution

The fourth proportional to 54,940.20, 82,410.30 and 15,496.80 is: 23,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,940.20 : 82,410.30 = 15,496.80 : x
  2. Step 2: Convert to fraction form
    54,940.20/82,410.30 = 15,496.80/x
  3. Step 3: Cross multiply
    54,940.20x = 82,410.30 × 15,496.80
  4. Step 4: Simplify right side
    54,940.20x = 1,277,095,937.04
  5. Step 5: Solve for x
    x = 1,277,095,937.04/54,940.20
  6. Step 6: Final answer
    x = 23,245.20

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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.