Home / 108,923.80-150,310.20-63,604.30

Finding the Fourth Proportional to 108,923.80, 150,310.20 and 63,604.30

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Solution

The fourth proportional to 108,923.80, 150,310.20 and 63,604.30 is: 87,771.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,923.80 : 150,310.20 = 63,604.30 : x
  2. Step 2: Convert to fraction form
    108,923.80/150,310.20 = 63,604.30/x
  3. Step 3: Cross multiply
    108,923.80x = 150,310.20 × 63,604.30
  4. Step 4: Simplify right side
    108,923.80x = 9,560,375,053.86
  5. Step 5: Solve for x
    x = 9,560,375,053.86/108,923.80
  6. Step 6: Final answer
    x = 87,771.22

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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.