Home / 50,323.12-75,455.50-20,707.48

Finding the Fourth Proportional to 50,323.12, 75,455.50 and 20,707.48

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Solution

The fourth proportional to 50,323.12, 75,455.50 and 20,707.48 is: 31,049.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,323.12 : 75,455.50 = 20,707.48 : x
  2. Step 2: Convert to fraction form
    50,323.12/75,455.50 = 20,707.48/x
  3. Step 3: Cross multiply
    50,323.12x = 75,455.50 × 20,707.48
  4. Step 4: Simplify right side
    50,323.12x = 1,562,493,257.14
  5. Step 5: Solve for x
    x = 1,562,493,257.14/50,323.12
  6. Step 6: Final answer
    x = 31,049.21

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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.