Home / 108,732.20-162,896.70-61,845.80

Finding the Fourth Proportional to 108,732.20, 162,896.70 and 61,845.80

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Solution

The fourth proportional to 108,732.20, 162,896.70 and 61,845.80 is: 92,654.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,732.20 : 162,896.70 = 61,845.80 : x
  2. Step 2: Convert to fraction form
    108,732.20/162,896.70 = 61,845.80/x
  3. Step 3: Cross multiply
    108,732.20x = 162,896.70 × 61,845.80
  4. Step 4: Simplify right side
    108,732.20x = 10,074,476,728.86
  5. Step 5: Solve for x
    x = 10,074,476,728.86/108,732.20
  6. Step 6: Final answer
    x = 92,654.03

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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.