Home / 86,857.44-130,211.16-33,586.71

Finding the Fourth Proportional to 86,857.44, 130,211.16 and 33,586.71

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Solution

The fourth proportional to 86,857.44, 130,211.16 and 33,586.71 is: 50,351.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,857.44 : 130,211.16 = 33,586.71 : x
  2. Step 2: Convert to fraction form
    86,857.44/130,211.16 = 33,586.71/x
  3. Step 3: Cross multiply
    86,857.44x = 130,211.16 × 33,586.71
  4. Step 4: Simplify right side
    86,857.44x = 4,373,364,469.68
  5. Step 5: Solve for x
    x = 4,373,364,469.68/86,857.44
  6. Step 6: Final answer
    x = 50,351.06

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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.