Home / 67,976.67-101,979.59-28,511.04

Finding the Fourth Proportional to 67,976.67, 101,979.59 and 28,511.04

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Solution

The fourth proportional to 67,976.67, 101,979.59 and 28,511.04 is: 42,772.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,976.67 : 101,979.59 = 28,511.04 : x
  2. Step 2: Convert to fraction form
    67,976.67/101,979.59 = 28,511.04/x
  3. Step 3: Cross multiply
    67,976.67x = 101,979.59 × 28,511.04
  4. Step 4: Simplify right side
    67,976.67x = 2,907,544,169.67
  5. Step 5: Solve for x
    x = 2,907,544,169.67/67,976.67
  6. Step 6: Final answer
    x = 42,772.68

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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.