Home / 89,279.40-123,206.86-48,992.44

Finding the Fourth Proportional to 89,279.40, 123,206.86 and 48,992.44

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Solution

The fourth proportional to 89,279.40, 123,206.86 and 48,992.44 is: 67,610.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,279.40 : 123,206.86 = 48,992.44 : x
  2. Step 2: Convert to fraction form
    89,279.40/123,206.86 = 48,992.44/x
  3. Step 3: Cross multiply
    89,279.40x = 123,206.86 × 48,992.44
  4. Step 4: Simplify right side
    89,279.40x = 6,036,204,696.14
  5. Step 5: Solve for x
    x = 6,036,204,696.14/89,279.40
  6. Step 6: Final answer
    x = 67,610.27

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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.