Home / 54,786.54-82,148.12-21,467.60

Finding the Fourth Proportional to 54,786.54, 82,148.12 and 21,467.60

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Solution

The fourth proportional to 54,786.54, 82,148.12 and 21,467.60 is: 32,188.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,786.54 : 82,148.12 = 21,467.60 : x
  2. Step 2: Convert to fraction form
    54,786.54/82,148.12 = 21,467.60/x
  3. Step 3: Cross multiply
    54,786.54x = 82,148.12 × 21,467.60
  4. Step 4: Simplify right side
    54,786.54x = 1,763,522,462.83
  5. Step 5: Solve for x
    x = 1,763,522,462.83/54,786.54
  6. Step 6: Final answer
    x = 32,188.97

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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.