Home / 80,392.44-110,979.66-53,579.64

Finding the Fourth Proportional to 80,392.44, 110,979.66 and 53,579.64

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Solution

The fourth proportional to 80,392.44, 110,979.66 and 53,579.64 is: 73,965.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,392.44 : 110,979.66 = 53,579.64 : x
  2. Step 2: Convert to fraction form
    80,392.44/110,979.66 = 53,579.64/x
  3. Step 3: Cross multiply
    80,392.44x = 110,979.66 × 53,579.64
  4. Step 4: Simplify right side
    80,392.44x = 5,946,250,230.12
  5. Step 5: Solve for x
    x = 5,946,250,230.12/80,392.44
  6. Step 6: Final answer
    x = 73,965.29

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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.