Home / 89,682.06-123,758.70-51,447.98

Finding the Fourth Proportional to 89,682.06, 123,758.70 and 51,447.98

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Solution

The fourth proportional to 89,682.06, 123,758.70 and 51,447.98 is: 70,996.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,682.06 : 123,758.70 = 51,447.98 : x
  2. Step 2: Convert to fraction form
    89,682.06/123,758.70 = 51,447.98/x
  3. Step 3: Cross multiply
    89,682.06x = 123,758.70 × 51,447.98
  4. Step 4: Simplify right side
    89,682.06x = 6,367,135,122.43
  5. Step 5: Solve for x
    x = 6,367,135,122.43/89,682.06
  6. Step 6: Final answer
    x = 70,996.75

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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.