Home / 79,582.23-109,821.66-43,771.49

Finding the Fourth Proportional to 79,582.23, 109,821.66 and 43,771.49

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Solution

The fourth proportional to 79,582.23, 109,821.66 and 43,771.49 is: 60,403.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,582.23 : 109,821.66 = 43,771.49 : x
  2. Step 2: Convert to fraction form
    79,582.23/109,821.66 = 43,771.49/x
  3. Step 3: Cross multiply
    79,582.23x = 109,821.66 × 43,771.49
  4. Step 4: Simplify right side
    79,582.23x = 4,807,057,391.05
  5. Step 5: Solve for x
    x = 4,807,057,391.05/79,582.23
  6. Step 6: Final answer
    x = 60,403.65

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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.