Home / 79,086.66-109,136.97-43,274.26

Finding the Fourth Proportional to 79,086.66, 109,136.97 and 43,274.26

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Solution

The fourth proportional to 79,086.66, 109,136.97 and 43,274.26 is: 59,717.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,086.66 : 109,136.97 = 43,274.26 : x
  2. Step 2: Convert to fraction form
    79,086.66/109,136.97 = 43,274.26/x
  3. Step 3: Cross multiply
    79,086.66x = 109,136.97 × 43,274.26
  4. Step 4: Simplify right side
    79,086.66x = 4,722,821,615.39
  5. Step 5: Solve for x
    x = 4,722,821,615.39/79,086.66
  6. Step 6: Final answer
    x = 59,717.04

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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.