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Finding the Fourth Proportional to 62,791.89, 86,654.66 and 35,943.03

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Solution

The fourth proportional to 62,791.89, 86,654.66 and 35,943.03 is: 49,602.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,791.89 : 86,654.66 = 35,943.03 : x
  2. Step 2: Convert to fraction form
    62,791.89/86,654.66 = 35,943.03/x
  3. Step 3: Cross multiply
    62,791.89x = 86,654.66 × 35,943.03
  4. Step 4: Simplify right side
    62,791.89x = 3,114,630,864.30
  5. Step 5: Solve for x
    x = 3,114,630,864.30/62,791.89
  6. Step 6: Final answer
    x = 49,602.44

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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.