Home / 57,977.57-86,968.98-15,856.71

Finding the Fourth Proportional to 57,977.57, 86,968.98 and 15,856.71

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Solution

The fourth proportional to 57,977.57, 86,968.98 and 15,856.71 is: 23,785.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,977.57 : 86,968.98 = 15,856.71 : x
  2. Step 2: Convert to fraction form
    57,977.57/86,968.98 = 15,856.71/x
  3. Step 3: Cross multiply
    57,977.57x = 86,968.98 × 15,856.71
  4. Step 4: Simplify right side
    57,977.57x = 1,379,042,035.62
  5. Step 5: Solve for x
    x = 1,379,042,035.62/57,977.57
  6. Step 6: Final answer
    x = 23,785.78

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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.