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Finding the Fourth Proportional to 65,609.60, 98,268.60 and 50,770.40

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Solution

The fourth proportional to 65,609.60, 98,268.60 and 50,770.40 is: 76,042.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,609.60 : 98,268.60 = 50,770.40 : x
  2. Step 2: Convert to fraction form
    65,609.60/98,268.60 = 50,770.40/x
  3. Step 3: Cross multiply
    65,609.60x = 98,268.60 × 50,770.40
  4. Step 4: Simplify right side
    65,609.60x = 4,989,136,129.44
  5. Step 5: Solve for x
    x = 4,989,136,129.44/65,609.60
  6. Step 6: Final answer
    x = 76,042.78

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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.