Home / 108,181.38-149,289.93-59,781.97

Finding the Fourth Proportional to 108,181.38, 149,289.93 and 59,781.97

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Solution

The fourth proportional to 108,181.38, 149,289.93 and 59,781.97 is: 82,498.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,181.38 : 149,289.93 = 59,781.97 : x
  2. Step 2: Convert to fraction form
    108,181.38/149,289.93 = 59,781.97/x
  3. Step 3: Cross multiply
    108,181.38x = 149,289.93 × 59,781.97
  4. Step 4: Simplify right side
    108,181.38x = 8,924,845,743.34
  5. Step 5: Solve for x
    x = 8,924,845,743.34/108,181.38
  6. Step 6: Final answer
    x = 82,498.91

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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.