Home / 57,971.75-86,965.05-16,418.75

Finding the Fourth Proportional to 57,971.75, 86,965.05 and 16,418.75

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Solution

The fourth proportional to 57,971.75, 86,965.05 and 16,418.75 is: 24,630.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,971.75 : 86,965.05 = 16,418.75 : x
  2. Step 2: Convert to fraction form
    57,971.75/86,965.05 = 16,418.75/x
  3. Step 3: Cross multiply
    57,971.75x = 86,965.05 × 16,418.75
  4. Step 4: Simplify right side
    57,971.75x = 1,427,857,414.69
  5. Step 5: Solve for x
    x = 1,427,857,414.69/57,971.75
  6. Step 6: Final answer
    x = 24,630.23

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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.