Home / 80,976.09-111,716.89-46,965.51

Finding the Fourth Proportional to 80,976.09, 111,716.89 and 46,965.51

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Solution

The fourth proportional to 80,976.09, 111,716.89 and 46,965.51 is: 64,794.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,976.09 : 111,716.89 = 46,965.51 : x
  2. Step 2: Convert to fraction form
    80,976.09/111,716.89 = 46,965.51/x
  3. Step 3: Cross multiply
    80,976.09x = 111,716.89 × 46,965.51
  4. Step 4: Simplify right side
    80,976.09x = 5,246,840,597.05
  5. Step 5: Solve for x
    x = 5,246,840,597.05/80,976.09
  6. Step 6: Final answer
    x = 64,794.93

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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.