Home / 79,857.18-119,481.21-48,150.54

Finding the Fourth Proportional to 79,857.18, 119,481.21 and 48,150.54

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Solution

The fourth proportional to 79,857.18, 119,481.21 and 48,150.54 is: 72,042.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,857.18 : 119,481.21 = 48,150.54 : x
  2. Step 2: Convert to fraction form
    79,857.18/119,481.21 = 48,150.54/x
  3. Step 3: Cross multiply
    79,857.18x = 119,481.21 × 48,150.54
  4. Step 4: Simplify right side
    79,857.18x = 5,753,084,781.35
  5. Step 5: Solve for x
    x = 5,753,084,781.35/79,857.18
  6. Step 6: Final answer
    x = 72,042.17

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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.