Home / 86,813.21-130,229.17-27,635.04

Finding the Fourth Proportional to 86,813.21, 130,229.17 and 27,635.04

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Solution

The fourth proportional to 86,813.21, 130,229.17 and 27,635.04 is: 41,455.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,813.21 : 130,229.17 = 27,635.04 : x
  2. Step 2: Convert to fraction form
    86,813.21/130,229.17 = 27,635.04/x
  3. Step 3: Cross multiply
    86,813.21x = 130,229.17 × 27,635.04
  4. Step 4: Simplify right side
    86,813.21x = 3,598,888,253.03
  5. Step 5: Solve for x
    x = 3,598,888,253.03/86,813.21
  6. Step 6: Final answer
    x = 41,455.54

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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.