Home / 74,694.06-103,076.87-40,704.03

Finding the Fourth Proportional to 74,694.06, 103,076.87 and 40,704.03

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Solution

The fourth proportional to 74,694.06, 103,076.87 and 40,704.03 is: 56,171.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,694.06 : 103,076.87 = 40,704.03 : x
  2. Step 2: Convert to fraction form
    74,694.06/103,076.87 = 40,704.03/x
  3. Step 3: Cross multiply
    74,694.06x = 103,076.87 × 40,704.03
  4. Step 4: Simplify right side
    74,694.06x = 4,195,643,805.27
  5. Step 5: Solve for x
    x = 4,195,643,805.27/74,694.06
  6. Step 6: Final answer
    x = 56,171.05

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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.