Home / 71,378.15-107,025.72-27,008.33

Finding the Fourth Proportional to 71,378.15, 107,025.72 and 27,008.33

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Solution

The fourth proportional to 71,378.15, 107,025.72 and 27,008.33 is: 40,496.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,378.15 : 107,025.72 = 27,008.33 : x
  2. Step 2: Convert to fraction form
    71,378.15/107,025.72 = 27,008.33/x
  3. Step 3: Cross multiply
    71,378.15x = 107,025.72 × 27,008.33
  4. Step 4: Simplify right side
    71,378.15x = 2,890,585,327.84
  5. Step 5: Solve for x
    x = 2,890,585,327.84/71,378.15
  6. Step 6: Final answer
    x = 40,496.78

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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.