Home / 81,340.66-122,007.39-22,176.33

Finding the Fourth Proportional to 81,340.66, 122,007.39 and 22,176.33

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Solution

The fourth proportional to 81,340.66, 122,007.39 and 22,176.33 is: 33,263.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,340.66 : 122,007.39 = 22,176.33 : x
  2. Step 2: Convert to fraction form
    81,340.66/122,007.39 = 22,176.33/x
  3. Step 3: Cross multiply
    81,340.66x = 122,007.39 × 22,176.33
  4. Step 4: Simplify right side
    81,340.66x = 2,705,676,351.05
  5. Step 5: Solve for x
    x = 2,705,676,351.05/81,340.66
  6. Step 6: Final answer
    x = 33,263.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.