Home / 96,996.49-145,371.38-43,631.42

Finding the Fourth Proportional to 96,996.49, 145,371.38 and 43,631.42

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Solution

The fourth proportional to 96,996.49, 145,371.38 and 43,631.42 is: 65,391.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,996.49 : 145,371.38 = 43,631.42 : x
  2. Step 2: Convert to fraction form
    96,996.49/145,371.38 = 43,631.42/x
  3. Step 3: Cross multiply
    96,996.49x = 145,371.38 × 43,631.42
  4. Step 4: Simplify right side
    96,996.49x = 6,342,758,791.75
  5. Step 5: Solve for x
    x = 6,342,758,791.75/96,996.49
  6. Step 6: Final answer
    x = 65,391.63

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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.