Home / 108,893.11-163,345.82-38,772.42

Finding the Fourth Proportional to 108,893.11, 163,345.82 and 38,772.42

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Solution

The fourth proportional to 108,893.11, 163,345.82 and 38,772.42 is: 58,160.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,893.11 : 163,345.82 = 38,772.42 : x
  2. Step 2: Convert to fraction form
    108,893.11/163,345.82 = 38,772.42/x
  3. Step 3: Cross multiply
    108,893.11x = 163,345.82 × 38,772.42
  4. Step 4: Simplify right side
    108,893.11x = 6,333,312,850.70
  5. Step 5: Solve for x
    x = 6,333,312,850.70/108,893.11
  6. Step 6: Final answer
    x = 58,160.82

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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.