Home / 75,850.23-113,711.09-31,449.27

Finding the Fourth Proportional to 75,850.23, 113,711.09 and 31,449.27

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Solution

The fourth proportional to 75,850.23, 113,711.09 and 31,449.27 is: 47,147.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,850.23 : 113,711.09 = 31,449.27 : x
  2. Step 2: Convert to fraction form
    75,850.23/113,711.09 = 31,449.27/x
  3. Step 3: Cross multiply
    75,850.23x = 113,711.09 × 31,449.27
  4. Step 4: Simplify right side
    75,850.23x = 3,576,130,614.16
  5. Step 5: Solve for x
    x = 3,576,130,614.16/75,850.23
  6. Step 6: Final answer
    x = 47,147.26

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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.