Home / 80,552.94-111,203.46-50,355.06

Finding the Fourth Proportional to 80,552.94, 111,203.46 and 50,355.06

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Solution

The fourth proportional to 80,552.94, 111,203.46 and 50,355.06 is: 69,515.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,552.94 : 111,203.46 = 50,355.06 : x
  2. Step 2: Convert to fraction form
    80,552.94/111,203.46 = 50,355.06/x
  3. Step 3: Cross multiply
    80,552.94x = 111,203.46 × 50,355.06
  4. Step 4: Simplify right side
    80,552.94x = 5,599,656,900.51
  5. Step 5: Solve for x
    x = 5,599,656,900.51/80,552.94
  6. Step 6: Final answer
    x = 69,515.24

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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.