Home / 86,722.90-130,056.67-27,544.73

Finding the Fourth Proportional to 86,722.90, 130,056.67 and 27,544.73

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Solution

The fourth proportional to 86,722.90, 130,056.67 and 27,544.73 is: 41,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,722.90 : 130,056.67 = 27,544.73 : x
  2. Step 2: Convert to fraction form
    86,722.90/130,056.67 = 27,544.73/x
  3. Step 3: Cross multiply
    86,722.90x = 130,056.67 × 27,544.73
  4. Step 4: Simplify right side
    86,722.90x = 3,582,375,859.85
  5. Step 5: Solve for x
    x = 3,582,375,859.85/86,722.90
  6. Step 6: Final answer
    x = 41,308.30

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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.