Home / 75,531.72-104,232.42-41,997

Finding the Fourth Proportional to 75,531.72, 104,232.42 and 41,997

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Solution

The fourth proportional to 75,531.72, 104,232.42 and 41,997 is: 57,955.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,531.72 : 104,232.42 = 41,997 : x
  2. Step 2: Convert to fraction form
    75,531.72/104,232.42 = 41,997/x
  3. Step 3: Cross multiply
    75,531.72x = 104,232.42 × 41,997
  4. Step 4: Simplify right side
    75,531.72x = 4,377,448,942.74
  5. Step 5: Solve for x
    x = 4,377,448,942.74/75,531.72
  6. Step 6: Final answer
    x = 57,955.11

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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.