Home / 57,534.14-86,321.92-20,099.72

Finding the Fourth Proportional to 57,534.14, 86,321.92 and 20,099.72

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Solution

The fourth proportional to 57,534.14, 86,321.92 and 20,099.72 is: 30,156.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,534.14 : 86,321.92 = 20,099.72 : x
  2. Step 2: Convert to fraction form
    57,534.14/86,321.92 = 20,099.72/x
  3. Step 3: Cross multiply
    57,534.14x = 86,321.92 × 20,099.72
  4. Step 4: Simplify right side
    57,534.14x = 1,735,046,421.86
  5. Step 5: Solve for x
    x = 1,735,046,421.86/57,534.14
  6. Step 6: Final answer
    x = 30,156.82

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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.