Home / 79,391.41-109,559.73-43,582.03

Finding the Fourth Proportional to 79,391.41, 109,559.73 and 43,582.03

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Solution

The fourth proportional to 79,391.41, 109,559.73 and 43,582.03 is: 60,142.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,391.41 : 109,559.73 = 43,582.03 : x
  2. Step 2: Convert to fraction form
    79,391.41/109,559.73 = 43,582.03/x
  3. Step 3: Cross multiply
    79,391.41x = 109,559.73 × 43,582.03
  4. Step 4: Simplify right side
    79,391.41x = 4,774,835,439.65
  5. Step 5: Solve for x
    x = 4,774,835,439.65/79,391.41
  6. Step 6: Final answer
    x = 60,142.97

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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.