Home / 89,453.25-123,315.39-62,512.11

Finding the Fourth Proportional to 89,453.25, 123,315.39 and 62,512.11

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Solution

The fourth proportional to 89,453.25, 123,315.39 and 62,512.11 is: 86,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,453.25 : 123,315.39 = 62,512.11 : x
  2. Step 2: Convert to fraction form
    89,453.25/123,315.39 = 62,512.11/x
  3. Step 3: Cross multiply
    89,453.25x = 123,315.39 × 62,512.11
  4. Step 4: Simplify right side
    89,453.25x = 7,708,705,224.37
  5. Step 5: Solve for x
    x = 7,708,705,224.37/89,453.25
  6. Step 6: Final answer
    x = 86,175.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.