Home / 57,694.20-86,549.40-18,247.20

Finding the Fourth Proportional to 57,694.20, 86,549.40 and 18,247.20

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Solution

The fourth proportional to 57,694.20, 86,549.40 and 18,247.20 is: 27,373.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,694.20 : 86,549.40 = 18,247.20 : x
  2. Step 2: Convert to fraction form
    57,694.20/86,549.40 = 18,247.20/x
  3. Step 3: Cross multiply
    57,694.20x = 86,549.40 × 18,247.20
  4. Step 4: Simplify right side
    57,694.20x = 1,579,284,211.68
  5. Step 5: Solve for x
    x = 1,579,284,211.68/57,694.20
  6. Step 6: Final answer
    x = 27,373.36

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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.