Home / 63,731.33-87,945.82-36,874.28

Finding the Fourth Proportional to 63,731.33, 87,945.82 and 36,874.28

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Solution

The fourth proportional to 63,731.33, 87,945.82 and 36,874.28 is: 50,884.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,731.33 : 87,945.82 = 36,874.28 : x
  2. Step 2: Convert to fraction form
    63,731.33/87,945.82 = 36,874.28/x
  3. Step 3: Cross multiply
    63,731.33x = 87,945.82 × 36,874.28
  4. Step 4: Simplify right side
    63,731.33x = 3,242,938,791.51
  5. Step 5: Solve for x
    x = 3,242,938,791.51/63,731.33
  6. Step 6: Final answer
    x = 50,884.53

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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.