Home / 108,874.38-163,310.12-52,719.52

Finding the Fourth Proportional to 108,874.38, 163,310.12 and 52,719.52

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Solution

The fourth proportional to 108,874.38, 163,310.12 and 52,719.52 is: 79,078.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,874.38 : 163,310.12 = 52,719.52 : x
  2. Step 2: Convert to fraction form
    108,874.38/163,310.12 = 52,719.52/x
  3. Step 3: Cross multiply
    108,874.38x = 163,310.12 × 52,719.52
  4. Step 4: Simplify right side
    108,874.38x = 8,609,631,137.54
  5. Step 5: Solve for x
    x = 8,609,631,137.54/108,874.38
  6. Step 6: Final answer
    x = 79,078.58

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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.