Home / 108,739.44-163,089.72-29,843.28

Finding the Fourth Proportional to 108,739.44, 163,089.72 and 29,843.28

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Solution

The fourth proportional to 108,739.44, 163,089.72 and 29,843.28 is: 44,759.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,739.44 : 163,089.72 = 29,843.28 : x
  2. Step 2: Convert to fraction form
    108,739.44/163,089.72 = 29,843.28/x
  3. Step 3: Cross multiply
    108,739.44x = 163,089.72 × 29,843.28
  4. Step 4: Simplify right side
    108,739.44x = 4,867,132,179.08
  5. Step 5: Solve for x
    x = 4,867,132,179.08/108,739.44
  6. Step 6: Final answer
    x = 44,759.58

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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.