Home / 52,843.19-79,265.39-13,399.29

Finding the Fourth Proportional to 52,843.19, 79,265.39 and 13,399.29

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Solution

The fourth proportional to 52,843.19, 79,265.39 and 13,399.29 is: 20,099.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,843.19 : 79,265.39 = 13,399.29 : x
  2. Step 2: Convert to fraction form
    52,843.19/79,265.39 = 13,399.29/x
  3. Step 3: Cross multiply
    52,843.19x = 79,265.39 × 13,399.29
  4. Step 4: Simplify right side
    52,843.19x = 1,062,099,880.58
  5. Step 5: Solve for x
    x = 1,062,099,880.58/52,843.19
  6. Step 6: Final answer
    x = 20,099.09

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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.