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Finding the Fourth Proportional to 80,162.64, 110,607.21 and 48,330.86

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Solution

The fourth proportional to 80,162.64, 110,607.21 and 48,330.86 is: 66,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,162.64 : 110,607.21 = 48,330.86 : x
  2. Step 2: Convert to fraction form
    80,162.64/110,607.21 = 48,330.86/x
  3. Step 3: Cross multiply
    80,162.64x = 110,607.21 × 48,330.86
  4. Step 4: Simplify right side
    80,162.64x = 5,345,741,028.46
  5. Step 5: Solve for x
    x = 5,345,741,028.46/80,162.64
  6. Step 6: Final answer
    x = 66,686.19

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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.