Home / 66,166.28-99,239.00-54,993.36

Finding the Fourth Proportional to 66,166.28, 99,239.00 and 54,993.36

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Solution

The fourth proportional to 66,166.28, 99,239.00 and 54,993.36 is: 82,481.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,166.28 : 99,239.00 = 54,993.36 : x
  2. Step 2: Convert to fraction form
    66,166.28/99,239.00 = 54,993.36/x
  3. Step 3: Cross multiply
    66,166.28x = 99,239.00 × 54,993.36
  4. Step 4: Simplify right side
    66,166.28x = 5,457,485,778.07
  5. Step 5: Solve for x
    x = 5,457,485,778.07/66,166.28
  6. Step 6: Final answer
    x = 82,481.38

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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.