Home / 80,305.21-120,459.77-26,997.96

Finding the Fourth Proportional to 80,305.21, 120,459.77 and 26,997.96

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Solution

The fourth proportional to 80,305.21, 120,459.77 and 26,997.96 is: 40,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,305.21 : 120,459.77 = 26,997.96 : x
  2. Step 2: Convert to fraction form
    80,305.21/120,459.77 = 26,997.96/x
  3. Step 3: Cross multiply
    80,305.21x = 120,459.77 × 26,997.96
  4. Step 4: Simplify right side
    80,305.21x = 3,252,168,052.07
  5. Step 5: Solve for x
    x = 3,252,168,052.07/80,305.21
  6. Step 6: Final answer
    x = 40,497.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.