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Finding the Fourth Proportional to 61,158.96, 91,761.80 and 23,745.31

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Solution

The fourth proportional to 61,158.96, 91,761.80 and 23,745.31 is: 35,627.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,158.96 : 91,761.80 = 23,745.31 : x
  2. Step 2: Convert to fraction form
    61,158.96/91,761.80 = 23,745.31/x
  3. Step 3: Cross multiply
    61,158.96x = 91,761.80 × 23,745.31
  4. Step 4: Simplify right side
    61,158.96x = 2,178,912,367.68
  5. Step 5: Solve for x
    x = 2,178,912,367.68/61,158.96
  6. Step 6: Final answer
    x = 35,627.03

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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.