Home / 75,431-113,245.38-50,582.24

Finding the Fourth Proportional to 75,431, 113,245.38 and 50,582.24

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Solution

The fourth proportional to 75,431, 113,245.38 and 50,582.24 is: 75,939.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,431 : 113,245.38 = 50,582.24 : x
  2. Step 2: Convert to fraction form
    75,431/113,245.38 = 50,582.24/x
  3. Step 3: Cross multiply
    75,431x = 113,245.38 × 50,582.24
  4. Step 4: Simplify right side
    75,431x = 5,728,204,990.05
  5. Step 5: Solve for x
    x = 5,728,204,990.05/75,431
  6. Step 6: Final answer
    x = 75,939.67

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.