Home / 80,944.44-121,416.66-43,522.14

Finding the Fourth Proportional to 80,944.44, 121,416.66 and 43,522.14

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Solution

The fourth proportional to 80,944.44, 121,416.66 and 43,522.14 is: 65,283.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,944.44 : 121,416.66 = 43,522.14 : x
  2. Step 2: Convert to fraction form
    80,944.44/121,416.66 = 43,522.14/x
  3. Step 3: Cross multiply
    80,944.44x = 121,416.66 × 43,522.14
  4. Step 4: Simplify right side
    80,944.44x = 5,284,312,874.85
  5. Step 5: Solve for x
    x = 5,284,312,874.85/80,944.44
  6. Step 6: Final answer
    x = 65,283.21

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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.