Home / 57,677.25-86,515.33-18,234.37

Finding the Fourth Proportional to 57,677.25, 86,515.33 and 18,234.37

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Solution

The fourth proportional to 57,677.25, 86,515.33 and 18,234.37 is: 27,351.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,677.25 : 86,515.33 = 18,234.37 : x
  2. Step 2: Convert to fraction form
    57,677.25/86,515.33 = 18,234.37/x
  3. Step 3: Cross multiply
    57,677.25x = 86,515.33 × 18,234.37
  4. Step 4: Simplify right side
    57,677.25x = 1,577,552,199.28
  5. Step 5: Solve for x
    x = 1,577,552,199.28/57,677.25
  6. Step 6: Final answer
    x = 27,351.38

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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.