Home / 79,083.96-109,136.50-43,274.26

Finding the Fourth Proportional to 79,083.96, 109,136.50 and 43,274.26

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Solution

The fourth proportional to 79,083.96, 109,136.50 and 43,274.26 is: 59,718.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,083.96 : 109,136.50 = 43,274.26 : x
  2. Step 2: Convert to fraction form
    79,083.96/109,136.50 = 43,274.26/x
  3. Step 3: Cross multiply
    79,083.96x = 109,136.50 × 43,274.26
  4. Step 4: Simplify right side
    79,083.96x = 4,722,801,304.72
  5. Step 5: Solve for x
    x = 4,722,801,304.72/79,083.96
  6. Step 6: Final answer
    x = 59,718.83

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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.