Home / 55,170.30-82,775.49-27,087.36

Finding the Fourth Proportional to 55,170.30, 82,775.49 and 27,087.36

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Solution

The fourth proportional to 55,170.30, 82,775.49 and 27,087.36 is: 40,640.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,170.30 : 82,775.49 = 27,087.36 : x
  2. Step 2: Convert to fraction form
    55,170.30/82,775.49 = 27,087.36/x
  3. Step 3: Cross multiply
    55,170.30x = 82,775.49 × 27,087.36
  4. Step 4: Simplify right side
    55,170.30x = 2,242,169,496.81
  5. Step 5: Solve for x
    x = 2,242,169,496.81/55,170.30
  6. Step 6: Final answer
    x = 40,640.88

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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.