Home / 108,788.60-163,186.92-29,909

Finding the Fourth Proportional to 108,788.60, 163,186.92 and 29,909

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Solution

The fourth proportional to 108,788.60, 163,186.92 and 29,909 is: 44,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,788.60 : 163,186.92 = 29,909 : x
  2. Step 2: Convert to fraction form
    108,788.60/163,186.92 = 29,909/x
  3. Step 3: Cross multiply
    108,788.60x = 163,186.92 × 29,909
  4. Step 4: Simplify right side
    108,788.60x = 4,880,757,590.28
  5. Step 5: Solve for x
    x = 4,880,757,590.28/108,788.60
  6. Step 6: Final answer
    x = 44,864.61

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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.