Home / 108,162.91-162,346.16-54,893.15

Finding the Fourth Proportional to 108,162.91, 162,346.16 and 54,893.15

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Solution

The fourth proportional to 108,162.91, 162,346.16 and 54,893.15 is: 82,391.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,162.91 : 162,346.16 = 54,893.15 : x
  2. Step 2: Convert to fraction form
    108,162.91/162,346.16 = 54,893.15/x
  3. Step 3: Cross multiply
    108,162.91x = 162,346.16 × 54,893.15
  4. Step 4: Simplify right side
    108,162.91x = 8,911,692,112.80
  5. Step 5: Solve for x
    x = 8,911,692,112.80/108,162.91
  6. Step 6: Final answer
    x = 82,391.39

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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.