Home / 69,901.65-104,778.63-50,169.51

Finding the Fourth Proportional to 69,901.65, 104,778.63 and 50,169.51

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Solution

The fourth proportional to 69,901.65, 104,778.63 and 50,169.51 is: 75,201.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,901.65 : 104,778.63 = 50,169.51 : x
  2. Step 2: Convert to fraction form
    69,901.65/104,778.63 = 50,169.51/x
  3. Step 3: Cross multiply
    69,901.65x = 104,778.63 × 50,169.51
  4. Step 4: Simplify right side
    69,901.65x = 5,256,692,525.57
  5. Step 5: Solve for x
    x = 5,256,692,525.57/69,901.65
  6. Step 6: Final answer
    x = 75,201.27

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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.