Home / 68,778.09-103,162.86-24,399

Finding the Fourth Proportional to 68,778.09, 103,162.86 and 24,399

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Solution

The fourth proportional to 68,778.09, 103,162.86 and 24,399 is: 36,596.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,778.09 : 103,162.86 = 24,399 : x
  2. Step 2: Convert to fraction form
    68,778.09/103,162.86 = 24,399/x
  3. Step 3: Cross multiply
    68,778.09x = 103,162.86 × 24,399
  4. Step 4: Simplify right side
    68,778.09x = 2,517,070,621.14
  5. Step 5: Solve for x
    x = 2,517,070,621.14/68,778.09
  6. Step 6: Final answer
    x = 36,596.98

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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.