Home / 85,067.64-127,608.55-25,903.82

Finding the Fourth Proportional to 85,067.64, 127,608.55 and 25,903.82

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Solution

The fourth proportional to 85,067.64, 127,608.55 and 25,903.82 is: 38,857.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,067.64 : 127,608.55 = 25,903.82 : x
  2. Step 2: Convert to fraction form
    85,067.64/127,608.55 = 25,903.82/x
  3. Step 3: Cross multiply
    85,067.64x = 127,608.55 × 25,903.82
  4. Step 4: Simplify right side
    85,067.64x = 3,305,549,163.92
  5. Step 5: Solve for x
    x = 3,305,549,163.92/85,067.64
  6. Step 6: Final answer
    x = 38,857.89

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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.