Home / 57,745.32-86,626.19-17,767.62

Finding the Fourth Proportional to 57,745.32, 86,626.19 and 17,767.62

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Solution

The fourth proportional to 57,745.32, 86,626.19 and 17,767.62 is: 26,653.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,745.32 : 86,626.19 = 17,767.62 : x
  2. Step 2: Convert to fraction form
    57,745.32/86,626.19 = 17,767.62/x
  3. Step 3: Cross multiply
    57,745.32x = 86,626.19 × 17,767.62
  4. Step 4: Simplify right side
    57,745.32x = 1,539,141,270.39
  5. Step 5: Solve for x
    x = 1,539,141,270.39/57,745.32
  6. Step 6: Final answer
    x = 26,653.96

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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.