Home / 81,191.97-112,040.39-44,891.31

Finding the Fourth Proportional to 81,191.97, 112,040.39 and 44,891.31

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Solution

The fourth proportional to 81,191.97, 112,040.39 and 44,891.31 is: 61,947.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,191.97 : 112,040.39 = 44,891.31 : x
  2. Step 2: Convert to fraction form
    81,191.97/112,040.39 = 44,891.31/x
  3. Step 3: Cross multiply
    81,191.97x = 112,040.39 × 44,891.31
  4. Step 4: Simplify right side
    81,191.97x = 5,029,640,412.39
  5. Step 5: Solve for x
    x = 5,029,640,412.39/81,191.97
  6. Step 6: Final answer
    x = 61,947.51

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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.