Home / 68,721.75-94,822.45-43,213.29

Finding the Fourth Proportional to 68,721.75, 94,822.45 and 43,213.29

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Solution

The fourth proportional to 68,721.75, 94,822.45 and 43,213.29 is: 59,625.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,721.75 : 94,822.45 = 43,213.29 : x
  2. Step 2: Convert to fraction form
    68,721.75/94,822.45 = 43,213.29/x
  3. Step 3: Cross multiply
    68,721.75x = 94,822.45 × 43,213.29
  4. Step 4: Simplify right side
    68,721.75x = 4,097,589,814.29
  5. Step 5: Solve for x
    x = 4,097,589,814.29/68,721.75
  6. Step 6: Final answer
    x = 59,625.81

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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.