Home / 86,786.36-130,180.62-27,621.80

Finding the Fourth Proportional to 86,786.36, 130,180.62 and 27,621.80

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Solution

The fourth proportional to 86,786.36, 130,180.62 and 27,621.80 is: 41,433.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,786.36 : 130,180.62 = 27,621.80 : x
  2. Step 2: Convert to fraction form
    86,786.36/130,180.62 = 27,621.80/x
  3. Step 3: Cross multiply
    86,786.36x = 130,180.62 × 27,621.80
  4. Step 4: Simplify right side
    86,786.36x = 3,595,823,049.52
  5. Step 5: Solve for x
    x = 3,595,823,049.52/86,786.36
  6. Step 6: Final answer
    x = 41,433.04

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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.