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Finding the Fourth Proportional to 61,619.57, 92,425.70 and 17,245.34

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Solution

The fourth proportional to 61,619.57, 92,425.70 and 17,245.34 is: 25,866.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,619.57 : 92,425.70 = 17,245.34 : x
  2. Step 2: Convert to fraction form
    61,619.57/92,425.70 = 17,245.34/x
  3. Step 3: Cross multiply
    61,619.57x = 92,425.70 × 17,245.34
  4. Step 4: Simplify right side
    61,619.57x = 1,593,912,202.22
  5. Step 5: Solve for x
    x = 1,593,912,202.22/61,619.57
  6. Step 6: Final answer
    x = 25,866.98

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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.