Home / 80,163.64-110,608.59-48,331.86

Finding the Fourth Proportional to 80,163.64, 110,608.59 and 48,331.86

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Solution

The fourth proportional to 80,163.64, 110,608.59 and 48,331.86 is: 66,687.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,163.64 : 110,608.59 = 48,331.86 : x
  2. Step 2: Convert to fraction form
    80,163.64/110,608.59 = 48,331.86/x
  3. Step 3: Cross multiply
    80,163.64x = 110,608.59 × 48,331.86
  4. Step 4: Simplify right side
    80,163.64x = 5,345,918,886.68
  5. Step 5: Solve for x
    x = 5,345,918,886.68/80,163.64
  6. Step 6: Final answer
    x = 66,687.58

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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.