Home / 57,575.21-86,365.91-18,135.41

Finding the Fourth Proportional to 57,575.21, 86,365.91 and 18,135.41

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Solution

The fourth proportional to 57,575.21, 86,365.91 and 18,135.41 is: 27,204.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,575.21 : 86,365.91 = 18,135.41 : x
  2. Step 2: Convert to fraction form
    57,575.21/86,365.91 = 18,135.41/x
  3. Step 3: Cross multiply
    57,575.21x = 86,365.91 × 18,135.41
  4. Step 4: Simplify right side
    57,575.21x = 1,566,281,097.20
  5. Step 5: Solve for x
    x = 1,566,281,097.20/57,575.21
  6. Step 6: Final answer
    x = 27,204.09

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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.