Home / 57,544.20-86,309.28-15,427.44

Finding the Fourth Proportional to 57,544.20, 86,309.28 and 15,427.44

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Solution

The fourth proportional to 57,544.20, 86,309.28 and 15,427.44 is: 23,139.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,544.20 : 86,309.28 = 15,427.44 : x
  2. Step 2: Convert to fraction form
    57,544.20/86,309.28 = 15,427.44/x
  3. Step 3: Cross multiply
    57,544.20x = 86,309.28 × 15,427.44
  4. Step 4: Simplify right side
    57,544.20x = 1,331,531,238.64
  5. Step 5: Solve for x
    x = 1,331,531,238.64/57,544.20
  6. Step 6: Final answer
    x = 23,139.28

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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.