Home / 86,760.88-130,141.32-27,596.56

Finding the Fourth Proportional to 86,760.88, 130,141.32 and 27,596.56

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Solution

The fourth proportional to 86,760.88, 130,141.32 and 27,596.56 is: 41,394.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,760.88 : 130,141.32 = 27,596.56 : x
  2. Step 2: Convert to fraction form
    86,760.88/130,141.32 = 27,596.56/x
  3. Step 3: Cross multiply
    86,760.88x = 130,141.32 × 27,596.56
  4. Step 4: Simplify right side
    86,760.88x = 3,591,452,745.86
  5. Step 5: Solve for x
    x = 3,591,452,745.86/86,760.88
  6. Step 6: Final answer
    x = 41,394.84

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1.5x scale

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.