Home / 86,984.20-130,496.74-27,009.61

Finding the Fourth Proportional to 86,984.20, 130,496.74 and 27,009.61

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Solution

The fourth proportional to 86,984.20, 130,496.74 and 27,009.61 is: 40,520.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,984.20 : 130,496.74 = 27,009.61 : x
  2. Step 2: Convert to fraction form
    86,984.20/130,496.74 = 27,009.61/x
  3. Step 3: Cross multiply
    86,984.20x = 130,496.74 × 27,009.61
  4. Step 4: Simplify right side
    86,984.20x = 3,524,665,659.91
  5. Step 5: Solve for x
    x = 3,524,665,659.91/86,984.20
  6. Step 6: Final answer
    x = 40,520.76

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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.