Home / 66,519.56-91,812.42-43,862.65

Finding the Fourth Proportional to 66,519.56, 91,812.42 and 43,862.65

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Solution

The fourth proportional to 66,519.56, 91,812.42 and 43,862.65 is: 60,540.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,519.56 : 91,812.42 = 43,862.65 : x
  2. Step 2: Convert to fraction form
    66,519.56/91,812.42 = 43,862.65/x
  3. Step 3: Cross multiply
    66,519.56x = 91,812.42 × 43,862.65
  4. Step 4: Simplify right side
    66,519.56x = 4,027,135,814.58
  5. Step 5: Solve for x
    x = 4,027,135,814.58/66,519.56
  6. Step 6: Final answer
    x = 60,540.62

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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.