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Finding the Fourth Proportional to 61,092.71, 91,635.68 and 16,716.27

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Solution

The fourth proportional to 61,092.71, 91,635.68 and 16,716.27 is: 25,073.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,092.71 : 91,635.68 = 16,716.27 : x
  2. Step 2: Convert to fraction form
    61,092.71/91,635.68 = 16,716.27/x
  3. Step 3: Cross multiply
    61,092.71x = 91,635.68 × 16,716.27
  4. Step 4: Simplify right side
    61,092.71x = 1,531,807,106.92
  5. Step 5: Solve for x
    x = 1,531,807,106.92/61,092.71
  6. Step 6: Final answer
    x = 25,073.49

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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.