Home / 89,609.14-123,659.64-49,322.04

Finding the Fourth Proportional to 89,609.14, 123,659.64 and 49,322.04

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Solution

The fourth proportional to 89,609.14, 123,659.64 and 49,322.04 is: 68,063.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,609.14 : 123,659.64 = 49,322.04 : x
  2. Step 2: Convert to fraction form
    89,609.14/123,659.64 = 49,322.04/x
  3. Step 3: Cross multiply
    89,609.14x = 123,659.64 × 49,322.04
  4. Step 4: Simplify right side
    89,609.14x = 6,099,145,710.47
  5. Step 5: Solve for x
    x = 6,099,145,710.47/89,609.14
  6. Step 6: Final answer
    x = 68,063.88

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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.