Home / 79,568.36-109,804.67-43,760.64

Finding the Fourth Proportional to 79,568.36, 109,804.67 and 43,760.64

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Solution

The fourth proportional to 79,568.36, 109,804.67 and 43,760.64 is: 60,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,568.36 : 109,804.67 = 43,760.64 : x
  2. Step 2: Convert to fraction form
    79,568.36/109,804.67 = 43,760.64/x
  3. Step 3: Cross multiply
    79,568.36x = 109,804.67 × 43,760.64
  4. Step 4: Simplify right side
    79,568.36x = 4,805,122,415.39
  5. Step 5: Solve for x
    x = 4,805,122,415.39/79,568.36
  6. Step 6: Final answer
    x = 60,389.87

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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.