Home / 71,575.20-107,381.36-27,202.72

Finding the Fourth Proportional to 71,575.20, 107,381.36 and 27,202.72

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Solution

The fourth proportional to 71,575.20, 107,381.36 and 27,202.72 is: 40,811.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,575.20 : 107,381.36 = 27,202.72 : x
  2. Step 2: Convert to fraction form
    71,575.20/107,381.36 = 27,202.72/x
  3. Step 3: Cross multiply
    71,575.20x = 107,381.36 × 27,202.72
  4. Step 4: Simplify right side
    71,575.20x = 2,921,065,069.30
  5. Step 5: Solve for x
    x = 2,921,065,069.30/71,575.20
  6. Step 6: Final answer
    x = 40,811.13

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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.