Home / 109,433.46-150,997.17-66,401.16

Finding the Fourth Proportional to 109,433.46, 150,997.17 and 66,401.16

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Solution

The fourth proportional to 109,433.46, 150,997.17 and 66,401.16 is: 91,620.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,433.46 : 150,997.17 = 66,401.16 : x
  2. Step 2: Convert to fraction form
    109,433.46/150,997.17 = 66,401.16/x
  3. Step 3: Cross multiply
    109,433.46x = 150,997.17 × 66,401.16
  4. Step 4: Simplify right side
    109,433.46x = 10,026,387,244.72
  5. Step 5: Solve for x
    x = 10,026,387,244.72/109,433.46
  6. Step 6: Final answer
    x = 91,620.86

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1.5x scale

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.