Home / 86,550.16-129,772.68-33,896.56

Finding the Fourth Proportional to 86,550.16, 129,772.68 and 33,896.56

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Solution

The fourth proportional to 86,550.16, 129,772.68 and 33,896.56 is: 50,824.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,550.16 : 129,772.68 = 33,896.56 : x
  2. Step 2: Convert to fraction form
    86,550.16/129,772.68 = 33,896.56/x
  3. Step 3: Cross multiply
    86,550.16x = 129,772.68 × 33,896.56
  4. Step 4: Simplify right side
    86,550.16x = 4,398,847,433.98
  5. Step 5: Solve for x
    x = 4,398,847,433.98/86,550.16
  6. Step 6: Final answer
    x = 50,824.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.