Home / 43,073.94-64,605.90-11,911.62

Finding the Fourth Proportional to 43,073.94, 64,605.90 and 11,911.62

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Solution

The fourth proportional to 43,073.94, 64,605.90 and 11,911.62 is: 17,866.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,073.94 : 64,605.90 = 11,911.62 : x
  2. Step 2: Convert to fraction form
    43,073.94/64,605.90 = 11,911.62/x
  3. Step 3: Cross multiply
    43,073.94x = 64,605.90 × 11,911.62
  4. Step 4: Simplify right side
    43,073.94x = 769,560,930.56
  5. Step 5: Solve for x
    x = 769,560,930.56/43,073.94
  6. Step 6: Final answer
    x = 17,866.04

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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.