Home / 123,321.26-184,982.70-39,079.64

Finding the Fourth Proportional to 123,321.26, 184,982.70 and 39,079.64

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Solution

The fourth proportional to 123,321.26, 184,982.70 and 39,079.64 is: 58,619.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,321.26 : 184,982.70 = 39,079.64 : x
  2. Step 2: Convert to fraction form
    123,321.26/184,982.70 = 39,079.64/x
  3. Step 3: Cross multiply
    123,321.26x = 184,982.70 × 39,079.64
  4. Step 4: Simplify right side
    123,321.26x = 7,229,057,322.23
  5. Step 5: Solve for x
    x = 7,229,057,322.23/123,321.26
  6. Step 6: Final answer
    x = 58,619.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.