Home / 73,205.20-109,593.96-66,201.34

Finding the Fourth Proportional to 73,205.20, 109,593.96 and 66,201.34

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Solution

The fourth proportional to 73,205.20, 109,593.96 and 66,201.34 is: 99,108.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,205.20 : 109,593.96 = 66,201.34 : x
  2. Step 2: Convert to fraction form
    73,205.20/109,593.96 = 66,201.34/x
  3. Step 3: Cross multiply
    73,205.20x = 109,593.96 × 66,201.34
  4. Step 4: Simplify right side
    73,205.20x = 7,255,267,007.91
  5. Step 5: Solve for x
    x = 7,255,267,007.91/73,205.20
  6. Step 6: Final answer
    x = 99,108.63

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1.5x scale

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.