Home / 80,431.37-110,997.09-44,620.86

Finding the Fourth Proportional to 80,431.37, 110,997.09 and 44,620.86

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Solution

The fourth proportional to 80,431.37, 110,997.09 and 44,620.86 is: 61,577.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,431.37 : 110,997.09 = 44,620.86 : x
  2. Step 2: Convert to fraction form
    80,431.37/110,997.09 = 44,620.86/x
  3. Step 3: Cross multiply
    80,431.37x = 110,997.09 × 44,620.86
  4. Step 4: Simplify right side
    80,431.37x = 4,952,785,613.30
  5. Step 5: Solve for x
    x = 4,952,785,613.30/80,431.37
  6. Step 6: Final answer
    x = 61,577.79

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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.