Home / 57,486.30-86,229.27-18,046.37

Finding the Fourth Proportional to 57,486.30, 86,229.27 and 18,046.37

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Solution

The fourth proportional to 57,486.30, 86,229.27 and 18,046.37 is: 27,069.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,486.30 : 86,229.27 = 18,046.37 : x
  2. Step 2: Convert to fraction form
    57,486.30/86,229.27 = 18,046.37/x
  3. Step 3: Cross multiply
    57,486.30x = 86,229.27 × 18,046.37
  4. Step 4: Simplify right side
    57,486.30x = 1,556,124,880.10
  5. Step 5: Solve for x
    x = 1,556,124,880.10/57,486.30
  6. Step 6: Final answer
    x = 27,069.49

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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.