Home / 108,511.96-149,739.25-60,110.61

Finding the Fourth Proportional to 108,511.96, 149,739.25 and 60,110.61

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Solution

The fourth proportional to 108,511.96, 149,739.25 and 60,110.61 is: 82,948.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,511.96 : 149,739.25 = 60,110.61 : x
  2. Step 2: Convert to fraction form
    108,511.96/149,739.25 = 60,110.61/x
  3. Step 3: Cross multiply
    108,511.96x = 149,739.25 × 60,110.61
  4. Step 4: Simplify right side
    108,511.96x = 9,000,917,658.44
  5. Step 5: Solve for x
    x = 9,000,917,658.44/108,511.96
  6. Step 6: Final answer
    x = 82,948.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.