Home / 79,313.72-109,453.10-43,504.03

Finding the Fourth Proportional to 79,313.72, 109,453.10 and 43,504.03

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Solution

The fourth proportional to 79,313.72, 109,453.10 and 43,504.03 is: 60,035.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,313.72 : 109,453.10 = 43,504.03 : x
  2. Step 2: Convert to fraction form
    79,313.72/109,453.10 = 43,504.03/x
  3. Step 3: Cross multiply
    79,313.72x = 109,453.10 × 43,504.03
  4. Step 4: Simplify right side
    79,313.72x = 4,761,650,454.84
  5. Step 5: Solve for x
    x = 4,761,650,454.84/79,313.72
  6. Step 6: Final answer
    x = 60,035.64

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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.