Home / 87,098.67-120,196.08-49,372.92

Finding the Fourth Proportional to 87,098.67, 120,196.08 and 49,372.92

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Solution

The fourth proportional to 87,098.67, 120,196.08 and 49,372.92 is: 68,134.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,098.67 : 120,196.08 = 49,372.92 : x
  2. Step 2: Convert to fraction form
    87,098.67/120,196.08 = 49,372.92/x
  3. Step 3: Cross multiply
    87,098.67x = 120,196.08 × 49,372.92
  4. Step 4: Simplify right side
    87,098.67x = 5,934,431,442.15
  5. Step 5: Solve for x
    x = 5,934,431,442.15/87,098.67
  6. Step 6: Final answer
    x = 68,134.58

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1.5x scale

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.