Home / 71,572.20-107,376.86-27,199.72

Finding the Fourth Proportional to 71,572.20, 107,376.86 and 27,199.72

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Solution

The fourth proportional to 71,572.20, 107,376.86 and 27,199.72 is: 40,806.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,572.20 : 107,376.86 = 27,199.72 : x
  2. Step 2: Convert to fraction form
    71,572.20/107,376.86 = 27,199.72/x
  3. Step 3: Cross multiply
    71,572.20x = 107,376.86 × 27,199.72
  4. Step 4: Simplify right side
    71,572.20x = 2,920,620,526.48
  5. Step 5: Solve for x
    x = 2,920,620,526.48/71,572.20
  6. Step 6: Final answer
    x = 40,806.63

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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.