Home / 89,633.44-123,698.62-49,346.79

Finding the Fourth Proportional to 89,633.44, 123,698.62 and 49,346.79

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Solution

The fourth proportional to 89,633.44, 123,698.62 and 49,346.79 is: 68,101.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,633.44 : 123,698.62 = 49,346.79 : x
  2. Step 2: Convert to fraction form
    89,633.44/123,698.62 = 49,346.79/x
  3. Step 3: Cross multiply
    89,633.44x = 123,698.62 × 49,346.79
  4. Step 4: Simplify right side
    89,633.44x = 6,104,129,824.43
  5. Step 5: Solve for x
    x = 6,104,129,824.43/89,633.44
  6. Step 6: Final answer
    x = 68,101.03

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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.