Home / 73,134.57-109,680.10-31,014.03

Finding the Fourth Proportional to 73,134.57, 109,680.10 and 31,014.03

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Solution

The fourth proportional to 73,134.57, 109,680.10 and 31,014.03 is: 46,511.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,134.57 : 109,680.10 = 31,014.03 : x
  2. Step 2: Convert to fraction form
    73,134.57/109,680.10 = 31,014.03/x
  3. Step 3: Cross multiply
    73,134.57x = 109,680.10 × 31,014.03
  4. Step 4: Simplify right side
    73,134.57x = 3,401,621,911.80
  5. Step 5: Solve for x
    x = 3,401,621,911.80/73,134.57
  6. Step 6: Final answer
    x = 46,511.82

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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.