Home / 68,169.06-102,204.38-28,704.64

Finding the Fourth Proportional to 68,169.06, 102,204.38 and 28,704.64

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Solution

The fourth proportional to 68,169.06, 102,204.38 and 28,704.64 is: 43,036.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,169.06 : 102,204.38 = 28,704.64 : x
  2. Step 2: Convert to fraction form
    68,169.06/102,204.38 = 28,704.64/x
  3. Step 3: Cross multiply
    68,169.06x = 102,204.38 × 28,704.64
  4. Step 4: Simplify right side
    68,169.06x = 2,933,739,934.32
  5. Step 5: Solve for x
    x = 2,933,739,934.32/68,169.06
  6. Step 6: Final answer
    x = 43,036.24

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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.