Home / 66,336.26-91,543.46-36,121.56

Finding the Fourth Proportional to 66,336.26, 91,543.46 and 36,121.56

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Solution

The fourth proportional to 66,336.26, 91,543.46 and 36,121.56 is: 49,847.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,336.26 : 91,543.46 = 36,121.56 : x
  2. Step 2: Convert to fraction form
    66,336.26/91,543.46 = 36,121.56/x
  3. Step 3: Cross multiply
    66,336.26x = 91,543.46 × 36,121.56
  4. Step 4: Simplify right side
    66,336.26x = 3,306,692,583.00
  5. Step 5: Solve for x
    x = 3,306,692,583.00/66,336.26
  6. Step 6: Final answer
    x = 49,847.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.