Home / 75,760.20-113,653.05-23,157.38

Finding the Fourth Proportional to 75,760.20, 113,653.05 and 23,157.38

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Solution

The fourth proportional to 75,760.20, 113,653.05 and 23,157.38 is: 34,739.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,760.20 : 113,653.05 = 23,157.38 : x
  2. Step 2: Convert to fraction form
    75,760.20/113,653.05 = 23,157.38/x
  3. Step 3: Cross multiply
    75,760.20x = 113,653.05 × 23,157.38
  4. Step 4: Simplify right side
    75,760.20x = 2,631,906,298.74
  5. Step 5: Solve for x
    x = 2,631,906,298.74/75,760.20
  6. Step 6: Final answer
    x = 34,739.96

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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.