Home / 66,212.24-91,371.92-35,997.30

Finding the Fourth Proportional to 66,212.24, 91,371.92 and 35,997.30

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Solution

The fourth proportional to 66,212.24, 91,371.92 and 35,997.30 is: 49,675.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,212.24 : 91,371.92 = 35,997.30 : x
  2. Step 2: Convert to fraction form
    66,212.24/91,371.92 = 35,997.30/x
  3. Step 3: Cross multiply
    66,212.24x = 91,371.92 × 35,997.30
  4. Step 4: Simplify right side
    66,212.24x = 3,289,142,235.83
  5. Step 5: Solve for x
    x = 3,289,142,235.83/66,212.24
  6. Step 6: Final answer
    x = 49,675.75

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1.5x scale

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.