Home / 57,400.92-86,120.82-25,807.68

Finding the Fourth Proportional to 57,400.92, 86,120.82 and 25,807.68

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Solution

The fourth proportional to 57,400.92, 86,120.82 and 25,807.68 is: 38,720.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,400.92 : 86,120.82 = 25,807.68 : x
  2. Step 2: Convert to fraction form
    57,400.92/86,120.82 = 25,807.68/x
  3. Step 3: Cross multiply
    57,400.92x = 86,120.82 × 25,807.68
  4. Step 4: Simplify right side
    57,400.92x = 2,222,578,563.90
  5. Step 5: Solve for x
    x = 2,222,578,563.90/57,400.92
  6. Step 6: Final answer
    x = 38,720.26

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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.