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Finding the Fourth Proportional to 61,234.89, 91,766.80 and 33,094.28

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Solution

The fourth proportional to 61,234.89, 91,766.80 and 33,094.28 is: 49,595.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,234.89 : 91,766.80 = 33,094.28 : x
  2. Step 2: Convert to fraction form
    61,234.89/91,766.80 = 33,094.28/x
  3. Step 3: Cross multiply
    61,234.89x = 91,766.80 × 33,094.28
  4. Step 4: Simplify right side
    61,234.89x = 3,036,956,173.90
  5. Step 5: Solve for x
    x = 3,036,956,173.90/61,234.89
  6. Step 6: Final answer
    x = 49,595.19

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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.