Home / 66,517.27-99,772.26-40,214.95

Finding the Fourth Proportional to 66,517.27, 99,772.26 and 40,214.95

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Solution

The fourth proportional to 66,517.27, 99,772.26 and 40,214.95 is: 60,320.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,517.27 : 99,772.26 = 40,214.95 : x
  2. Step 2: Convert to fraction form
    66,517.27/99,772.26 = 40,214.95/x
  3. Step 3: Cross multiply
    66,517.27x = 99,772.26 × 40,214.95
  4. Step 4: Simplify right side
    66,517.27x = 4,012,336,047.05
  5. Step 5: Solve for x
    x = 4,012,336,047.05/66,517.27
  6. Step 6: Final answer
    x = 60,320.22

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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.