Home / 68,524.12-102,838.11-29,108.89

Finding the Fourth Proportional to 68,524.12, 102,838.11 and 29,108.89

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Solution

The fourth proportional to 68,524.12, 102,838.11 and 29,108.89 is: 43,685.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,524.12 : 102,838.11 = 29,108.89 : x
  2. Step 2: Convert to fraction form
    68,524.12/102,838.11 = 29,108.89/x
  3. Step 3: Cross multiply
    68,524.12x = 102,838.11 × 29,108.89
  4. Step 4: Simplify right side
    68,524.12x = 2,993,503,231.80
  5. Step 5: Solve for x
    x = 2,993,503,231.80/68,524.12
  6. Step 6: Final answer
    x = 43,685.39

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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.