Home / 66,355.14-99,532.71-19,604.37

Finding the Fourth Proportional to 66,355.14, 99,532.71 and 19,604.37

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Solution

The fourth proportional to 66,355.14, 99,532.71 and 19,604.37 is: 29,406.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,355.14 : 99,532.71 = 19,604.37 : x
  2. Step 2: Convert to fraction form
    66,355.14/99,532.71 = 19,604.37/x
  3. Step 3: Cross multiply
    66,355.14x = 99,532.71 × 19,604.37
  4. Step 4: Simplify right side
    66,355.14x = 1,951,275,576.28
  5. Step 5: Solve for x
    x = 1,951,275,576.28/66,355.14
  6. Step 6: Final answer
    x = 29,406.55

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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.