Home / 57,538.96-86,329.22-20,104.56

Finding the Fourth Proportional to 57,538.96, 86,329.22 and 20,104.56

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Solution

The fourth proportional to 57,538.96, 86,329.22 and 20,104.56 is: 30,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,538.96 : 86,329.22 = 20,104.56 : x
  2. Step 2: Convert to fraction form
    57,538.96/86,329.22 = 20,104.56/x
  3. Step 3: Cross multiply
    57,538.96x = 86,329.22 × 20,104.56
  4. Step 4: Simplify right side
    57,538.96x = 1,735,610,983.24
  5. Step 5: Solve for x
    x = 1,735,610,983.24/57,538.96
  6. Step 6: Final answer
    x = 30,164.10

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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.