Home / 53,198.58-79,791.37-13,752.39

Finding the Fourth Proportional to 53,198.58, 79,791.37 and 13,752.39

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Solution

The fourth proportional to 53,198.58, 79,791.37 and 13,752.39 is: 20,626.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,198.58 : 79,791.37 = 13,752.39 : x
  2. Step 2: Convert to fraction form
    53,198.58/79,791.37 = 13,752.39/x
  3. Step 3: Cross multiply
    53,198.58x = 79,791.37 × 13,752.39
  4. Step 4: Simplify right side
    53,198.58x = 1,097,322,038.87
  5. Step 5: Solve for x
    x = 1,097,322,038.87/53,198.58
  6. Step 6: Final answer
    x = 20,626.90

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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.