Home / 73,190.60-109,805.04-31,072.20

Finding the Fourth Proportional to 73,190.60, 109,805.04 and 31,072.20

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Solution

The fourth proportional to 73,190.60, 109,805.04 and 31,072.20 is: 46,616.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,190.60 : 109,805.04 = 31,072.20 : x
  2. Step 2: Convert to fraction form
    73,190.60/109,805.04 = 31,072.20/x
  3. Step 3: Cross multiply
    73,190.60x = 109,805.04 × 31,072.20
  4. Step 4: Simplify right side
    73,190.60x = 3,411,884,163.89
  5. Step 5: Solve for x
    x = 3,411,884,163.89/73,190.60
  6. Step 6: Final answer
    x = 46,616.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.