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Finding the Fourth Proportional to 80,383.44, 110,899.32 and 48,540.72

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Solution

The fourth proportional to 80,383.44, 110,899.32 and 48,540.72 is: 66,968.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,383.44 : 110,899.32 = 48,540.72 : x
  2. Step 2: Convert to fraction form
    80,383.44/110,899.32 = 48,540.72/x
  3. Step 3: Cross multiply
    80,383.44x = 110,899.32 × 48,540.72
  4. Step 4: Simplify right side
    80,383.44x = 5,383,132,840.31
  5. Step 5: Solve for x
    x = 5,383,132,840.31/80,383.44
  6. Step 6: Final answer
    x = 66,968.18

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1.5x scale

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.