Home / 57,091.60-85,629.84-25,919.68

Finding the Fourth Proportional to 57,091.60, 85,629.84 and 25,919.68

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Solution

The fourth proportional to 57,091.60, 85,629.84 and 25,919.68 is: 38,876.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,091.60 : 85,629.84 = 25,919.68 : x
  2. Step 2: Convert to fraction form
    57,091.60/85,629.84 = 25,919.68/x
  3. Step 3: Cross multiply
    57,091.60x = 85,629.84 × 25,919.68
  4. Step 4: Simplify right side
    57,091.60x = 2,219,498,051.25
  5. Step 5: Solve for x
    x = 2,219,498,051.25/57,091.60
  6. Step 6: Final answer
    x = 38,876.09

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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.