Home / 108,979.43-163,468.94-30,093.44

Finding the Fourth Proportional to 108,979.43, 163,468.94 and 30,093.44

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Solution

The fourth proportional to 108,979.43, 163,468.94 and 30,093.44 is: 45,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,979.43 : 163,468.94 = 30,093.44 : x
  2. Step 2: Convert to fraction form
    108,979.43/163,468.94 = 30,093.44/x
  3. Step 3: Cross multiply
    108,979.43x = 163,468.94 × 30,093.44
  4. Step 4: Simplify right side
    108,979.43x = 4,919,341,769.94
  5. Step 5: Solve for x
    x = 4,919,341,769.94/108,979.43
  6. Step 6: Final answer
    x = 45,140.10

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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.