Home / 80,205.96-120,241.27-50,558.43

Finding the Fourth Proportional to 80,205.96, 120,241.27 and 50,558.43

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Solution

The fourth proportional to 80,205.96, 120,241.27 and 50,558.43 is: 75,794.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,205.96 : 120,241.27 = 50,558.43 : x
  2. Step 2: Convert to fraction form
    80,205.96/120,241.27 = 50,558.43/x
  3. Step 3: Cross multiply
    80,205.96x = 120,241.27 × 50,558.43
  4. Step 4: Simplify right side
    80,205.96x = 6,079,209,579.61
  5. Step 5: Solve for x
    x = 6,079,209,579.61/80,205.96
  6. Step 6: Final answer
    x = 75,794.99

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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.