Home / 57,434.97-86,142.74-15,872.25

Finding the Fourth Proportional to 57,434.97, 86,142.74 and 15,872.25

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Solution

The fourth proportional to 57,434.97, 86,142.74 and 15,872.25 is: 23,805.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,434.97 : 86,142.74 = 15,872.25 : x
  2. Step 2: Convert to fraction form
    57,434.97/86,142.74 = 15,872.25/x
  3. Step 3: Cross multiply
    57,434.97x = 86,142.74 × 15,872.25
  4. Step 4: Simplify right side
    57,434.97x = 1,367,279,025.60
  5. Step 5: Solve for x
    x = 1,367,279,025.60/57,434.97
  6. Step 6: Final answer
    x = 23,805.69

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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.