Home / 66,072.46-91,180.67-35,858.05

Finding the Fourth Proportional to 66,072.46, 91,180.67 and 35,858.05

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Solution

The fourth proportional to 66,072.46, 91,180.67 and 35,858.05 is: 49,484.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,072.46 : 91,180.67 = 35,858.05 : x
  2. Step 2: Convert to fraction form
    66,072.46/91,180.67 = 35,858.05/x
  3. Step 3: Cross multiply
    66,072.46x = 91,180.67 × 35,858.05
  4. Step 4: Simplify right side
    66,072.46x = 3,269,560,388.70
  5. Step 5: Solve for x
    x = 3,269,560,388.70/66,072.46
  6. Step 6: Final answer
    x = 49,484.47

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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.