Home / 68,324.62-94,283.91-39,642.05

Finding the Fourth Proportional to 68,324.62, 94,283.91 and 39,642.05

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Solution

The fourth proportional to 68,324.62, 94,283.91 and 39,642.05 is: 54,703.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,324.62 : 94,283.91 = 39,642.05 : x
  2. Step 2: Convert to fraction form
    68,324.62/94,283.91 = 39,642.05/x
  3. Step 3: Cross multiply
    68,324.62x = 94,283.91 × 39,642.05
  4. Step 4: Simplify right side
    68,324.62x = 3,737,607,786.97
  5. Step 5: Solve for x
    x = 3,737,607,786.97/68,324.62
  6. Step 6: Final answer
    x = 54,703.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.