Home / 79,297.12-109,433.19-43,488.44

Finding the Fourth Proportional to 79,297.12, 109,433.19 and 43,488.44

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Solution

The fourth proportional to 79,297.12, 109,433.19 and 43,488.44 is: 60,015.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,297.12 : 109,433.19 = 43,488.44 : x
  2. Step 2: Convert to fraction form
    79,297.12/109,433.19 = 43,488.44/x
  3. Step 3: Cross multiply
    79,297.12x = 109,433.19 × 43,488.44
  4. Step 4: Simplify right side
    79,297.12x = 4,759,077,952.72
  5. Step 5: Solve for x
    x = 4,759,077,952.72/79,297.12
  6. Step 6: Final answer
    x = 60,015.77

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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.