Home / 79,674.22-109,946.25-43,857.24

Finding the Fourth Proportional to 79,674.22, 109,946.25 and 43,857.24

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Solution

The fourth proportional to 79,674.22, 109,946.25 and 43,857.24 is: 60,520.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,674.22 : 109,946.25 = 43,857.24 : x
  2. Step 2: Convert to fraction form
    79,674.22/109,946.25 = 43,857.24/x
  3. Step 3: Cross multiply
    79,674.22x = 109,946.25 × 43,857.24
  4. Step 4: Simplify right side
    79,674.22x = 4,821,938,661.05
  5. Step 5: Solve for x
    x = 4,821,938,661.05/79,674.22
  6. Step 6: Final answer
    x = 60,520.69

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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.