Home / 89,355.88-123,296.34-51,633.64

Finding the Fourth Proportional to 89,355.88, 123,296.34 and 51,633.64

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Solution

The fourth proportional to 89,355.88, 123,296.34 and 51,633.64 is: 71,245.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,355.88 : 123,296.34 = 51,633.64 : x
  2. Step 2: Convert to fraction form
    89,355.88/123,296.34 = 51,633.64/x
  3. Step 3: Cross multiply
    89,355.88x = 123,296.34 × 51,633.64
  4. Step 4: Simplify right side
    89,355.88x = 6,366,238,832.88
  5. Step 5: Solve for x
    x = 6,366,238,832.88/89,355.88
  6. Step 6: Final answer
    x = 71,245.89

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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.