Home / 68,438.36-102,712.82-29,023.13

Finding the Fourth Proportional to 68,438.36, 102,712.82 and 29,023.13

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Solution

The fourth proportional to 68,438.36, 102,712.82 and 29,023.13 is: 43,558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,438.36 : 102,712.82 = 29,023.13 : x
  2. Step 2: Convert to fraction form
    68,438.36/102,712.82 = 29,023.13/x
  3. Step 3: Cross multiply
    68,438.36x = 102,712.82 × 29,023.13
  4. Step 4: Simplify right side
    68,438.36x = 2,981,046,868.85
  5. Step 5: Solve for x
    x = 2,981,046,868.85/68,438.36
  6. Step 6: Final answer
    x = 43,558.13

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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.