Home / 68,234.42-102,462.78-42,105.26

Finding the Fourth Proportional to 68,234.42, 102,462.78 and 42,105.26

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Solution

The fourth proportional to 68,234.42, 102,462.78 and 42,105.26 is: 63,226.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,234.42 : 102,462.78 = 42,105.26 : x
  2. Step 2: Convert to fraction form
    68,234.42/102,462.78 = 42,105.26/x
  3. Step 3: Cross multiply
    68,234.42x = 102,462.78 × 42,105.26
  4. Step 4: Simplify right side
    68,234.42x = 4,314,221,992.22
  5. Step 5: Solve for x
    x = 4,314,221,992.22/68,234.42
  6. Step 6: Final answer
    x = 63,226.48

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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.