Home / 57,380.60-86,067.56-25,782.50

Finding the Fourth Proportional to 57,380.60, 86,067.56 and 25,782.50

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Solution

The fourth proportional to 57,380.60, 86,067.56 and 25,782.50 is: 38,672.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,380.60 : 86,067.56 = 25,782.50 : x
  2. Step 2: Convert to fraction form
    57,380.60/86,067.56 = 25,782.50/x
  3. Step 3: Cross multiply
    57,380.60x = 86,067.56 × 25,782.50
  4. Step 4: Simplify right side
    57,380.60x = 2,219,037,145.33
  5. Step 5: Solve for x
    x = 2,219,037,145.33/57,380.60
  6. Step 6: Final answer
    x = 38,672.25

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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.