Home / 84,072.19-126,145.43-44,081.62

Finding the Fourth Proportional to 84,072.19, 126,145.43 and 44,081.62

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Solution

The fourth proportional to 84,072.19, 126,145.43 and 44,081.62 is: 66,141.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,072.19 : 126,145.43 = 44,081.62 : x
  2. Step 2: Convert to fraction form
    84,072.19/126,145.43 = 44,081.62/x
  3. Step 3: Cross multiply
    84,072.19x = 126,145.43 × 44,081.62
  4. Step 4: Simplify right side
    84,072.19x = 5,560,694,910.00
  5. Step 5: Solve for x
    x = 5,560,694,910.00/84,072.19
  6. Step 6: Final answer
    x = 66,141.91

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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.