Home / 89,815.21-123,944.94-51,577.26

Finding the Fourth Proportional to 89,815.21, 123,944.94 and 51,577.26

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Solution

The fourth proportional to 89,815.21, 123,944.94 and 51,577.26 is: 71,176.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,815.21 : 123,944.94 = 51,577.26 : x
  2. Step 2: Convert to fraction form
    89,815.21/123,944.94 = 51,577.26/x
  3. Step 3: Cross multiply
    89,815.21x = 123,944.94 × 51,577.26
  4. Step 4: Simplify right side
    89,815.21x = 6,392,740,396.06
  5. Step 5: Solve for x
    x = 6,392,740,396.06/89,815.21
  6. Step 6: Final answer
    x = 71,176.59

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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.