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Finding the Fourth Proportional to 65,808.05, 90,791.48 and 37,497.33

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Solution

The fourth proportional to 65,808.05, 90,791.48 and 37,497.33 is: 51,732.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,808.05 : 90,791.48 = 37,497.33 : x
  2. Step 2: Convert to fraction form
    65,808.05/90,791.48 = 37,497.33/x
  3. Step 3: Cross multiply
    65,808.05x = 90,791.48 × 37,497.33
  4. Step 4: Simplify right side
    65,808.05x = 3,404,438,180.49
  5. Step 5: Solve for x
    x = 3,404,438,180.49/65,808.05
  6. Step 6: Final answer
    x = 51,732.86

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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.