Home / 82,228.59-123,392.09-35,481.46

Finding the Fourth Proportional to 82,228.59, 123,392.09 and 35,481.46

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Solution

The fourth proportional to 82,228.59, 123,392.09 and 35,481.46 is: 53,243.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,228.59 : 123,392.09 = 35,481.46 : x
  2. Step 2: Convert to fraction form
    82,228.59/123,392.09 = 35,481.46/x
  3. Step 3: Cross multiply
    82,228.59x = 123,392.09 × 35,481.46
  4. Step 4: Simplify right side
    82,228.59x = 4,378,131,482.48
  5. Step 5: Solve for x
    x = 4,378,131,482.48/82,228.59
  6. Step 6: Final answer
    x = 53,243.42

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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.