Home / 82,786.60-114,247.96-58,630.78

Finding the Fourth Proportional to 82,786.60, 114,247.96 and 58,630.78

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Solution

The fourth proportional to 82,786.60, 114,247.96 and 58,630.78 is: 80,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,786.60 : 114,247.96 = 58,630.78 : x
  2. Step 2: Convert to fraction form
    82,786.60/114,247.96 = 58,630.78/x
  3. Step 3: Cross multiply
    82,786.60x = 114,247.96 × 58,630.78
  4. Step 4: Simplify right side
    82,786.60x = 6,698,447,004.44
  5. Step 5: Solve for x
    x = 6,698,447,004.44/82,786.60
  6. Step 6: Final answer
    x = 80,912.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.