Home / 80,622.14-120,863.82-35,609.36

Finding the Fourth Proportional to 80,622.14, 120,863.82 and 35,609.36

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Solution

The fourth proportional to 80,622.14, 120,863.82 and 35,609.36 is: 53,383.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,622.14 : 120,863.82 = 35,609.36 : x
  2. Step 2: Convert to fraction form
    80,622.14/120,863.82 = 35,609.36/x
  3. Step 3: Cross multiply
    80,622.14x = 120,863.82 × 35,609.36
  4. Step 4: Simplify right side
    80,622.14x = 4,303,883,277.36
  5. Step 5: Solve for x
    x = 4,303,883,277.36/80,622.14
  6. Step 6: Final answer
    x = 53,383.39

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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.