Home / 72,664.36-109,033.02-33,217.96

Finding the Fourth Proportional to 72,664.36, 109,033.02 and 33,217.96

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Solution

The fourth proportional to 72,664.36, 109,033.02 and 33,217.96 is: 49,843.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,664.36 : 109,033.02 = 33,217.96 : x
  2. Step 2: Convert to fraction form
    72,664.36/109,033.02 = 33,217.96/x
  3. Step 3: Cross multiply
    72,664.36x = 109,033.02 × 33,217.96
  4. Step 4: Simplify right side
    72,664.36x = 3,621,854,497.04
  5. Step 5: Solve for x
    x = 3,621,854,497.04/72,664.36
  6. Step 6: Final answer
    x = 49,843.62

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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.