Home / 71,567.20-107,310.30-27,195.40

Finding the Fourth Proportional to 71,567.20, 107,310.30 and 27,195.40

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Solution

The fourth proportional to 71,567.20, 107,310.30 and 27,195.40 is: 40,777.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,567.20 : 107,310.30 = 27,195.40 : x
  2. Step 2: Convert to fraction form
    71,567.20/107,310.30 = 27,195.40/x
  3. Step 3: Cross multiply
    71,567.20x = 107,310.30 × 27,195.40
  4. Step 4: Simplify right side
    71,567.20x = 2,918,346,532.62
  5. Step 5: Solve for x
    x = 2,918,346,532.62/71,567.20
  6. Step 6: Final answer
    x = 40,777.71

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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.