Home / 92,761.05-139,141.90-22,640.36

Finding the Fourth Proportional to 92,761.05, 139,141.90 and 22,640.36

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Solution

The fourth proportional to 92,761.05, 139,141.90 and 22,640.36 is: 33,960.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,761.05 : 139,141.90 = 22,640.36 : x
  2. Step 2: Convert to fraction form
    92,761.05/139,141.90 = 22,640.36/x
  3. Step 3: Cross multiply
    92,761.05x = 139,141.90 × 22,640.36
  4. Step 4: Simplify right side
    92,761.05x = 3,150,222,822.35
  5. Step 5: Solve for x
    x = 3,150,222,822.35/92,761.05
  6. Step 6: Final answer
    x = 33,960.62

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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.