Home / 79,198.35-109,296.23-43,390.54

Finding the Fourth Proportional to 79,198.35, 109,296.23 and 43,390.54

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Solution

The fourth proportional to 79,198.35, 109,296.23 and 43,390.54 is: 59,880.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,198.35 : 109,296.23 = 43,390.54 : x
  2. Step 2: Convert to fraction form
    79,198.35/109,296.23 = 43,390.54/x
  3. Step 3: Cross multiply
    79,198.35x = 109,296.23 × 43,390.54
  4. Step 4: Simplify right side
    79,198.35x = 4,742,422,439.66
  5. Step 5: Solve for x
    x = 4,742,422,439.66/79,198.35
  6. Step 6: Final answer
    x = 59,880.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.