Home / 79,311.66-109,450.26-43,501.97

Finding the Fourth Proportional to 79,311.66, 109,450.26 and 43,501.97

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Solution

The fourth proportional to 79,311.66, 109,450.26 and 43,501.97 is: 60,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,311.66 : 109,450.26 = 43,501.97 : x
  2. Step 2: Convert to fraction form
    79,311.66/109,450.26 = 43,501.97/x
  3. Step 3: Cross multiply
    79,311.66x = 109,450.26 × 43,501.97
  4. Step 4: Simplify right side
    79,311.66x = 4,761,301,379.76
  5. Step 5: Solve for x
    x = 4,761,301,379.76/79,311.66
  6. Step 6: Final answer
    x = 60,032.80

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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.