Home / 50,206.06-69,356.43-40,121.29

Finding the Fourth Proportional to 50,206.06, 69,356.43 and 40,121.29

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Solution

The fourth proportional to 50,206.06, 69,356.43 and 40,121.29 is: 55,424.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,206.06 : 69,356.43 = 40,121.29 : x
  2. Step 2: Convert to fraction form
    50,206.06/69,356.43 = 40,121.29/x
  3. Step 3: Cross multiply
    50,206.06x = 69,356.43 × 40,121.29
  4. Step 4: Simplify right side
    50,206.06x = 2,782,669,441.39
  5. Step 5: Solve for x
    x = 2,782,669,441.39/50,206.06
  6. Step 6: Final answer
    x = 55,424.97

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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.