Home / 57,512.25-86,282.22-18,069.35

Finding the Fourth Proportional to 57,512.25, 86,282.22 and 18,069.35

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Solution

The fourth proportional to 57,512.25, 86,282.22 and 18,069.35 is: 27,108.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,512.25 : 86,282.22 = 18,069.35 : x
  2. Step 2: Convert to fraction form
    57,512.25/86,282.22 = 18,069.35/x
  3. Step 3: Cross multiply
    57,512.25x = 86,282.22 × 18,069.35
  4. Step 4: Simplify right side
    57,512.25x = 1,559,063,524.10
  5. Step 5: Solve for x
    x = 1,559,063,524.10/57,512.25
  6. Step 6: Final answer
    x = 27,108.37

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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.