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Finding the Fourth Proportional to 84,678, 126,976.67 and 32,053.92

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Solution

The fourth proportional to 84,678, 126,976.67 and 32,053.92 is: 48,065.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,678 : 126,976.67 = 32,053.92 : x
  2. Step 2: Convert to fraction form
    84,678/126,976.67 = 32,053.92/x
  3. Step 3: Cross multiply
    84,678x = 126,976.67 × 32,053.92
  4. Step 4: Simplify right side
    84,678x = 4,070,100,022.05
  5. Step 5: Solve for x
    x = 4,070,100,022.05/84,678
  6. Step 6: Final answer
    x = 48,065.61

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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.