Home / 73,986.66-110,983.23-21,401.46

Finding the Fourth Proportional to 73,986.66, 110,983.23 and 21,401.46

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Solution

The fourth proportional to 73,986.66, 110,983.23 and 21,401.46 is: 32,103.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,986.66 : 110,983.23 = 21,401.46 : x
  2. Step 2: Convert to fraction form
    73,986.66/110,983.23 = 21,401.46/x
  3. Step 3: Cross multiply
    73,986.66x = 110,983.23 × 21,401.46
  4. Step 4: Simplify right side
    73,986.66x = 2,375,203,157.52
  5. Step 5: Solve for x
    x = 2,375,203,157.52/73,986.66
  6. Step 6: Final answer
    x = 32,103.13

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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.