Home / 80,018.84-120,103.64-40,604.24

Finding the Fourth Proportional to 80,018.84, 120,103.64 and 40,604.24

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Solution

The fourth proportional to 80,018.84, 120,103.64 and 40,604.24 is: 60,944.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,018.84 : 120,103.64 = 40,604.24 : x
  2. Step 2: Convert to fraction form
    80,018.84/120,103.64 = 40,604.24/x
  3. Step 3: Cross multiply
    80,018.84x = 120,103.64 × 40,604.24
  4. Step 4: Simplify right side
    80,018.84x = 4,876,717,023.43
  5. Step 5: Solve for x
    x = 4,876,717,023.43/80,018.84
  6. Step 6: Final answer
    x = 60,944.61

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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.