Home / 115,239.04-172,858.52-27,687.04

Finding the Fourth Proportional to 115,239.04, 172,858.52 and 27,687.04

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Solution

The fourth proportional to 115,239.04, 172,858.52 and 27,687.04 is: 41,530.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,239.04 : 172,858.52 = 27,687.04 : x
  2. Step 2: Convert to fraction form
    115,239.04/172,858.52 = 27,687.04/x
  3. Step 3: Cross multiply
    115,239.04x = 172,858.52 × 27,687.04
  4. Step 4: Simplify right side
    115,239.04x = 4,785,940,757.58
  5. Step 5: Solve for x
    x = 4,785,940,757.58/115,239.04
  6. Step 6: Final answer
    x = 41,530.55

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1.5x scale

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.