Home / 57,743.60-86,617.83-18,299.84

Finding the Fourth Proportional to 57,743.60, 86,617.83 and 18,299.84

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Solution

The fourth proportional to 57,743.60, 86,617.83 and 18,299.84 is: 27,450.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,743.60 : 86,617.83 = 18,299.84 : x
  2. Step 2: Convert to fraction form
    57,743.60/86,617.83 = 18,299.84/x
  3. Step 3: Cross multiply
    57,743.60x = 86,617.83 × 18,299.84
  4. Step 4: Simplify right side
    57,743.60x = 1,585,091,997.06
  5. Step 5: Solve for x
    x = 1,585,091,997.06/57,743.60
  6. Step 6: Final answer
    x = 27,450.52

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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.