Home / 87,181.96-120,322.38-49,468.36

Finding the Fourth Proportional to 87,181.96, 120,322.38 and 49,468.36

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Solution

The fourth proportional to 87,181.96, 120,322.38 and 49,468.36 is: 68,272.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,181.96 : 120,322.38 = 49,468.36 : x
  2. Step 2: Convert to fraction form
    87,181.96/120,322.38 = 49,468.36/x
  3. Step 3: Cross multiply
    87,181.96x = 120,322.38 × 49,468.36
  4. Step 4: Simplify right side
    87,181.96x = 5,952,150,809.90
  5. Step 5: Solve for x
    x = 5,952,150,809.90/87,181.96
  6. Step 6: Final answer
    x = 68,272.73

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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.