Home / 68,639.62-102,926.48-29,175.34

Finding the Fourth Proportional to 68,639.62, 102,926.48 and 29,175.34

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Solution

The fourth proportional to 68,639.62, 102,926.48 and 29,175.34 is: 43,749.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,639.62 : 102,926.48 = 29,175.34 : x
  2. Step 2: Convert to fraction form
    68,639.62/102,926.48 = 29,175.34/x
  3. Step 3: Cross multiply
    68,639.62x = 102,926.48 × 29,175.34
  4. Step 4: Simplify right side
    68,639.62x = 3,002,915,049.00
  5. Step 5: Solve for x
    x = 3,002,915,049.00/68,639.62
  6. Step 6: Final answer
    x = 43,749.00

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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.