Home / 66,271.96-91,456.25-36,057.30

Finding the Fourth Proportional to 66,271.96, 91,456.25 and 36,057.30

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Solution

The fourth proportional to 66,271.96, 91,456.25 and 36,057.30 is: 49,759.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,271.96 : 91,456.25 = 36,057.30 : x
  2. Step 2: Convert to fraction form
    66,271.96/91,456.25 = 36,057.30/x
  3. Step 3: Cross multiply
    66,271.96x = 91,456.25 × 36,057.30
  4. Step 4: Simplify right side
    66,271.96x = 3,297,665,605.80
  5. Step 5: Solve for x
    x = 3,297,665,605.80/66,271.96
  6. Step 6: Final answer
    x = 49,759.59

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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.