Home / 82,721.48-114,195.30-50,917.64

Finding the Fourth Proportional to 82,721.48, 114,195.30 and 50,917.64

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Solution

The fourth proportional to 82,721.48, 114,195.30 and 50,917.64 is: 70,290.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,721.48 : 114,195.30 = 50,917.64 : x
  2. Step 2: Convert to fraction form
    82,721.48/114,195.30 = 50,917.64/x
  3. Step 3: Cross multiply
    82,721.48x = 114,195.30 × 50,917.64
  4. Step 4: Simplify right side
    82,721.48x = 5,814,555,175.09
  5. Step 5: Solve for x
    x = 5,814,555,175.09/82,721.48
  6. Step 6: Final answer
    x = 70,290.75

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1.5x scale

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.