Home / 50,697.36-76,065.48-21,107.25

Finding the Fourth Proportional to 50,697.36, 76,065.48 and 21,107.25

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Solution

The fourth proportional to 50,697.36, 76,065.48 and 21,107.25 is: 31,668.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,697.36 : 76,065.48 = 21,107.25 : x
  2. Step 2: Convert to fraction form
    50,697.36/76,065.48 = 21,107.25/x
  3. Step 3: Cross multiply
    50,697.36x = 76,065.48 × 21,107.25
  4. Step 4: Simplify right side
    50,697.36x = 1,605,533,102.73
  5. Step 5: Solve for x
    x = 1,605,533,102.73/50,697.36
  6. Step 6: Final answer
    x = 31,668.97

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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.