Home / 108,758.18-163,136.96-29,872.48

Finding the Fourth Proportional to 108,758.18, 163,136.96 and 29,872.48

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Solution

The fourth proportional to 108,758.18, 163,136.96 and 29,872.48 is: 44,808.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,758.18 : 163,136.96 = 29,872.48 : x
  2. Step 2: Convert to fraction form
    108,758.18/163,136.96 = 29,872.48/x
  3. Step 3: Cross multiply
    108,758.18x = 163,136.96 × 29,872.48
  4. Step 4: Simplify right side
    108,758.18x = 4,873,305,519.58
  5. Step 5: Solve for x
    x = 4,873,305,519.58/108,758.18
  6. Step 6: Final answer
    x = 44,808.64

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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.