Home / 66,250.08-91,404.66-40,414.09

Finding the Fourth Proportional to 66,250.08, 91,404.66 and 40,414.09

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Solution

The fourth proportional to 66,250.08, 91,404.66 and 40,414.09 is: 55,758.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,250.08 : 91,404.66 = 40,414.09 : x
  2. Step 2: Convert to fraction form
    66,250.08/91,404.66 = 40,414.09/x
  3. Step 3: Cross multiply
    66,250.08x = 91,404.66 × 40,414.09
  4. Step 4: Simplify right side
    66,250.08x = 3,694,036,155.66
  5. Step 5: Solve for x
    x = 3,694,036,155.66/66,250.08
  6. Step 6: Final answer
    x = 55,758.97

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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.