Home / 108,115.73-162,173.21-29,229.94

Finding the Fourth Proportional to 108,115.73, 162,173.21 and 29,229.94

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Solution

The fourth proportional to 108,115.73, 162,173.21 and 29,229.94 is: 43,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,115.73 : 162,173.21 = 29,229.94 : x
  2. Step 2: Convert to fraction form
    108,115.73/162,173.21 = 29,229.94/x
  3. Step 3: Cross multiply
    108,115.73x = 162,173.21 × 29,229.94
  4. Step 4: Simplify right side
    108,115.73x = 4,740,312,646.32
  5. Step 5: Solve for x
    x = 4,740,312,646.32/108,115.73
  6. Step 6: Final answer
    x = 43,844.80

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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.