Home / 81,999.05-122,995.83-33,966.15

Finding the Fourth Proportional to 81,999.05, 122,995.83 and 33,966.15

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Solution

The fourth proportional to 81,999.05, 122,995.83 and 33,966.15 is: 50,948.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,999.05 : 122,995.83 = 33,966.15 : x
  2. Step 2: Convert to fraction form
    81,999.05/122,995.83 = 33,966.15/x
  3. Step 3: Cross multiply
    81,999.05x = 122,995.83 × 33,966.15
  4. Step 4: Simplify right side
    81,999.05x = 4,177,694,477.29
  5. Step 5: Solve for x
    x = 4,177,694,477.29/81,999.05
  6. Step 6: Final answer
    x = 50,948.09

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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.