Home / 54,910.60-82,365.18-13,357.64

Finding the Fourth Proportional to 54,910.60, 82,365.18 and 13,357.64

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Solution

The fourth proportional to 54,910.60, 82,365.18 and 13,357.64 is: 20,036.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,910.60 : 82,365.18 = 13,357.64 : x
  2. Step 2: Convert to fraction form
    54,910.60/82,365.18 = 13,357.64/x
  3. Step 3: Cross multiply
    54,910.60x = 82,365.18 × 13,357.64
  4. Step 4: Simplify right side
    54,910.60x = 1,100,204,422.98
  5. Step 5: Solve for x
    x = 1,100,204,422.98/54,910.60
  6. Step 6: Final answer
    x = 20,036.28

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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.