Home / 54,808.58-82,212.91-13,255.62

Finding the Fourth Proportional to 54,808.58, 82,212.91 and 13,255.62

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Solution

The fourth proportional to 54,808.58, 82,212.91 and 13,255.62 is: 19,883.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,808.58 : 82,212.91 = 13,255.62 : x
  2. Step 2: Convert to fraction form
    54,808.58/82,212.91 = 13,255.62/x
  3. Step 3: Cross multiply
    54,808.58x = 82,212.91 × 13,255.62
  4. Step 4: Simplify right side
    54,808.58x = 1,089,783,094.05
  5. Step 5: Solve for x
    x = 1,089,783,094.05/54,808.58
  6. Step 6: Final answer
    x = 19,883.44

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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.