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Finding the Fourth Proportional to 61,611.89, 92,458.85 and 33,539.02

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Solution

The fourth proportional to 61,611.89, 92,458.85 and 33,539.02 is: 50,330.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,611.89 : 92,458.85 = 33,539.02 : x
  2. Step 2: Convert to fraction form
    61,611.89/92,458.85 = 33,539.02/x
  3. Step 3: Cross multiply
    61,611.89x = 92,458.85 × 33,539.02
  4. Step 4: Simplify right side
    61,611.89x = 3,100,978,820.48
  5. Step 5: Solve for x
    x = 3,100,978,820.48/61,611.89
  6. Step 6: Final answer
    x = 50,330.85

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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.