Home / 81,966.06-122,924.79-35,208

Finding the Fourth Proportional to 81,966.06, 122,924.79 and 35,208

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Solution

The fourth proportional to 81,966.06, 122,924.79 and 35,208 is: 52,801.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,966.06 : 122,924.79 = 35,208 : x
  2. Step 2: Convert to fraction form
    81,966.06/122,924.79 = 35,208/x
  3. Step 3: Cross multiply
    81,966.06x = 122,924.79 × 35,208
  4. Step 4: Simplify right side
    81,966.06x = 4,327,936,006.32
  5. Step 5: Solve for x
    x = 4,327,936,006.32/81,966.06
  6. Step 6: Final answer
    x = 52,801.56

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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.