Home / 67,349.49-100,229.04-65,107.01

Finding the Fourth Proportional to 67,349.49, 100,229.04 and 65,107.01

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Solution

The fourth proportional to 67,349.49, 100,229.04 and 65,107.01 is: 96,891.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,349.49 : 100,229.04 = 65,107.01 : x
  2. Step 2: Convert to fraction form
    67,349.49/100,229.04 = 65,107.01/x
  3. Step 3: Cross multiply
    67,349.49x = 100,229.04 × 65,107.01
  4. Step 4: Simplify right side
    67,349.49x = 6,525,612,608.43
  5. Step 5: Solve for x
    x = 6,525,612,608.43/67,349.49
  6. Step 6: Final answer
    x = 96,891.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.