Home / 57,577.33-86,369.09-18,137.53

Finding the Fourth Proportional to 57,577.33, 86,369.09 and 18,137.53

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Solution

The fourth proportional to 57,577.33, 86,369.09 and 18,137.53 is: 27,207.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,577.33 : 86,369.09 = 18,137.53 : x
  2. Step 2: Convert to fraction form
    57,577.33/86,369.09 = 18,137.53/x
  3. Step 3: Cross multiply
    57,577.33x = 86,369.09 × 18,137.53
  4. Step 4: Simplify right side
    57,577.33x = 1,566,521,654.34
  5. Step 5: Solve for x
    x = 1,566,521,654.34/57,577.33
  6. Step 6: Final answer
    x = 27,207.27

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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.