Home / 75,512.97-104,196.48-43,242.57

Finding the Fourth Proportional to 75,512.97, 104,196.48 and 43,242.57

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Solution

The fourth proportional to 75,512.97, 104,196.48 and 43,242.57 is: 59,668.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,512.97 : 104,196.48 = 43,242.57 : x
  2. Step 2: Convert to fraction form
    75,512.97/104,196.48 = 43,242.57/x
  3. Step 3: Cross multiply
    75,512.97x = 104,196.48 × 43,242.57
  4. Step 4: Simplify right side
    75,512.97x = 4,505,723,580.15
  5. Step 5: Solve for x
    x = 4,505,723,580.15/75,512.97
  6. Step 6: Final answer
    x = 59,668.21

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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.