Home / 70,896.36-106,354.26-31,452.60

Finding the Fourth Proportional to 70,896.36, 106,354.26 and 31,452.60

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Solution

The fourth proportional to 70,896.36, 106,354.26 and 31,452.60 is: 47,183.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,896.36 : 106,354.26 = 31,452.60 : x
  2. Step 2: Convert to fraction form
    70,896.36/106,354.26 = 31,452.60/x
  3. Step 3: Cross multiply
    70,896.36x = 106,354.26 × 31,452.60
  4. Step 4: Simplify right side
    70,896.36x = 3,345,117,998.08
  5. Step 5: Solve for x
    x = 3,345,117,998.08/70,896.36
  6. Step 6: Final answer
    x = 47,183.21

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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.