Home / 84,647.36-126,982.92-34,734.80

Finding the Fourth Proportional to 84,647.36, 126,982.92 and 34,734.80

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Solution

The fourth proportional to 84,647.36, 126,982.92 and 34,734.80 is: 52,107.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,647.36 : 126,982.92 = 34,734.80 : x
  2. Step 2: Convert to fraction form
    84,647.36/126,982.92 = 34,734.80/x
  3. Step 3: Cross multiply
    84,647.36x = 126,982.92 × 34,734.80
  4. Step 4: Simplify right side
    84,647.36x = 4,410,726,329.62
  5. Step 5: Solve for x
    x = 4,410,726,329.62/84,647.36
  6. Step 6: Final answer
    x = 52,107.07

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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.