Home / 65,917.25-98,890.56-36,319.85

Finding the Fourth Proportional to 65,917.25, 98,890.56 and 36,319.85

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Solution

The fourth proportional to 65,917.25, 98,890.56 and 36,319.85 is: 54,487.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,917.25 : 98,890.56 = 36,319.85 : x
  2. Step 2: Convert to fraction form
    65,917.25/98,890.56 = 36,319.85/x
  3. Step 3: Cross multiply
    65,917.25x = 98,890.56 × 36,319.85
  4. Step 4: Simplify right side
    65,917.25x = 3,591,689,811.16
  5. Step 5: Solve for x
    x = 3,591,689,811.16/65,917.25
  6. Step 6: Final answer
    x = 54,487.86

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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.