Home / 63,969.75-95,989.19-31,137.75

Finding the Fourth Proportional to 63,969.75, 95,989.19 and 31,137.75

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Solution

The fourth proportional to 63,969.75, 95,989.19 and 31,137.75 is: 46,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,969.75 : 95,989.19 = 31,137.75 : x
  2. Step 2: Convert to fraction form
    63,969.75/95,989.19 = 31,137.75/x
  3. Step 3: Cross multiply
    63,969.75x = 95,989.19 × 31,137.75
  4. Step 4: Simplify right side
    63,969.75x = 2,988,887,245.23
  5. Step 5: Solve for x
    x = 2,988,887,245.23/63,969.75
  6. Step 6: Final answer
    x = 46,723.45

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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.