Home / 67,226.20-100,839.30-43,725.40

Finding the Fourth Proportional to 67,226.20, 100,839.30 and 43,725.40

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Solution

The fourth proportional to 67,226.20, 100,839.30 and 43,725.40 is: 65,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,226.20 : 100,839.30 = 43,725.40 : x
  2. Step 2: Convert to fraction form
    67,226.20/100,839.30 = 43,725.40/x
  3. Step 3: Cross multiply
    67,226.20x = 100,839.30 × 43,725.40
  4. Step 4: Simplify right side
    67,226.20x = 4,409,238,728.22
  5. Step 5: Solve for x
    x = 4,409,238,728.22/67,226.20
  6. Step 6: Final answer
    x = 65,588.10

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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.