Home / 115,096.30-172,617.10-43,992.83

Finding the Fourth Proportional to 115,096.30, 172,617.10 and 43,992.83

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Solution

The fourth proportional to 115,096.30, 172,617.10 and 43,992.83 is: 65,978.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,096.30 : 172,617.10 = 43,992.83 : x
  2. Step 2: Convert to fraction form
    115,096.30/172,617.10 = 43,992.83/x
  3. Step 3: Cross multiply
    115,096.30x = 172,617.10 × 43,992.83
  4. Step 4: Simplify right side
    115,096.30x = 7,593,914,735.39
  5. Step 5: Solve for x
    x = 7,593,914,735.39/115,096.30
  6. Step 6: Final answer
    x = 65,978.79

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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.