Home / 68,239.17-102,373.47-33,198.57

Finding the Fourth Proportional to 68,239.17, 102,373.47 and 33,198.57

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Solution

The fourth proportional to 68,239.17, 102,373.47 and 33,198.57 is: 49,805.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,239.17 : 102,373.47 = 33,198.57 : x
  2. Step 2: Convert to fraction form
    68,239.17/102,373.47 = 33,198.57/x
  3. Step 3: Cross multiply
    68,239.17x = 102,373.47 × 33,198.57
  4. Step 4: Simplify right side
    68,239.17x = 3,398,652,809.94
  5. Step 5: Solve for x
    x = 3,398,652,809.94/68,239.17
  6. Step 6: Final answer
    x = 49,805.01

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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.