Home / 80,553.94-111,204.84-50,356.06

Finding the Fourth Proportional to 80,553.94, 111,204.84 and 50,356.06

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Solution

The fourth proportional to 80,553.94, 111,204.84 and 50,356.06 is: 69,516.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,553.94 : 111,204.84 = 50,356.06 : x
  2. Step 2: Convert to fraction form
    80,553.94/111,204.84 = 50,356.06/x
  3. Step 3: Cross multiply
    80,553.94x = 111,204.84 × 50,356.06
  4. Step 4: Simplify right side
    80,553.94x = 5,599,837,595.33
  5. Step 5: Solve for x
    x = 5,599,837,595.33/80,553.94
  6. Step 6: Final answer
    x = 69,516.62

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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.