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Finding the Fourth Proportional to 61,124.52, 91,672.73 and 16,754.73

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Solution

The fourth proportional to 61,124.52, 91,672.73 and 16,754.73 is: 25,128.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,124.52 : 91,672.73 = 16,754.73 : x
  2. Step 2: Convert to fraction form
    61,124.52/91,672.73 = 16,754.73/x
  3. Step 3: Cross multiply
    61,124.52x = 91,672.73 × 16,754.73
  4. Step 4: Simplify right side
    61,124.52x = 1,535,951,839.51
  5. Step 5: Solve for x
    x = 1,535,951,839.51/61,124.52
  6. Step 6: Final answer
    x = 25,128.24

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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.