Home / 66,639.72-99,977.09-23,949.46

Finding the Fourth Proportional to 66,639.72, 99,977.09 and 23,949.46

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Solution

The fourth proportional to 66,639.72, 99,977.09 and 23,949.46 is: 35,930.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,639.72 : 99,977.09 = 23,949.46 : x
  2. Step 2: Convert to fraction form
    66,639.72/99,977.09 = 23,949.46/x
  3. Step 3: Cross multiply
    66,639.72x = 99,977.09 × 23,949.46
  4. Step 4: Simplify right side
    66,639.72x = 2,394,396,948.18
  5. Step 5: Solve for x
    x = 2,394,396,948.18/66,639.72
  6. Step 6: Final answer
    x = 35,930.48

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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.