Home / 108,137.82-162,157.30-33,231.84

Finding the Fourth Proportional to 108,137.82, 162,157.30 and 33,231.84

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Solution

The fourth proportional to 108,137.82, 162,157.30 and 33,231.84 is: 49,832.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,137.82 : 162,157.30 = 33,231.84 : x
  2. Step 2: Convert to fraction form
    108,137.82/162,157.30 = 33,231.84/x
  3. Step 3: Cross multiply
    108,137.82x = 162,157.30 × 33,231.84
  4. Step 4: Simplify right side
    108,137.82x = 5,388,785,448.43
  5. Step 5: Solve for x
    x = 5,388,785,448.43/108,137.82
  6. Step 6: Final answer
    x = 49,832.57

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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.