Home / 58,179.06-87,286.11-20,734.26

Finding the Fourth Proportional to 58,179.06, 87,286.11 and 20,734.26

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Solution

The fourth proportional to 58,179.06, 87,286.11 and 20,734.26 is: 31,107.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,179.06 : 87,286.11 = 20,734.26 : x
  2. Step 2: Convert to fraction form
    58,179.06/87,286.11 = 20,734.26/x
  3. Step 3: Cross multiply
    58,179.06x = 87,286.11 × 20,734.26
  4. Step 4: Simplify right side
    58,179.06x = 1,809,812,899.13
  5. Step 5: Solve for x
    x = 1,809,812,899.13/58,179.06
  6. Step 6: Final answer
    x = 31,107.63

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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.