Home / 71,620.14-107,430.24-27,236.64

Finding the Fourth Proportional to 71,620.14, 107,430.24 and 27,236.64

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Solution

The fourth proportional to 71,620.14, 107,430.24 and 27,236.64 is: 40,854.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,620.14 : 107,430.24 = 27,236.64 : x
  2. Step 2: Convert to fraction form
    71,620.14/107,430.24 = 27,236.64/x
  3. Step 3: Cross multiply
    71,620.14x = 107,430.24 × 27,236.64
  4. Step 4: Simplify right side
    71,620.14x = 2,926,038,771.99
  5. Step 5: Solve for x
    x = 2,926,038,771.99/71,620.14
  6. Step 6: Final answer
    x = 40,854.97

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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.