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Finding the Fourth Proportional to 61,115.66, 91,654.32 and 23,673.14

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Solution

The fourth proportional to 61,115.66, 91,654.32 and 23,673.14 is: 35,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,115.66 : 91,654.32 = 23,673.14 : x
  2. Step 2: Convert to fraction form
    61,115.66/91,654.32 = 23,673.14/x
  3. Step 3: Cross multiply
    61,115.66x = 91,654.32 × 23,673.14
  4. Step 4: Simplify right side
    61,115.66x = 2,169,745,548.96
  5. Step 5: Solve for x
    x = 2,169,745,548.96/61,115.66
  6. Step 6: Final answer
    x = 35,502.28

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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.