Home / 57,709.85-86,556.09-18,261.83

Finding the Fourth Proportional to 57,709.85, 86,556.09 and 18,261.83

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Solution

The fourth proportional to 57,709.85, 86,556.09 and 18,261.83 is: 27,390.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,709.85 : 86,556.09 = 18,261.83 : x
  2. Step 2: Convert to fraction form
    57,709.85/86,556.09 = 18,261.83/x
  3. Step 3: Cross multiply
    57,709.85x = 86,556.09 × 18,261.83
  4. Step 4: Simplify right side
    57,709.85x = 1,580,672,601.04
  5. Step 5: Solve for x
    x = 1,580,672,601.04/57,709.85
  6. Step 6: Final answer
    x = 27,390.00

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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.