Home / 75,635.56-113,387.46-31,234.60

Finding the Fourth Proportional to 75,635.56, 113,387.46 and 31,234.60

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Solution

The fourth proportional to 75,635.56, 113,387.46 and 31,234.60 is: 46,824.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,635.56 : 113,387.46 = 31,234.60 : x
  2. Step 2: Convert to fraction form
    75,635.56/113,387.46 = 31,234.60/x
  3. Step 3: Cross multiply
    75,635.56x = 113,387.46 × 31,234.60
  4. Step 4: Simplify right side
    75,635.56x = 3,541,611,958.12
  5. Step 5: Solve for x
    x = 3,541,611,958.12/75,635.56
  6. Step 6: Final answer
    x = 46,824.69

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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.