Home / 50,983.75-76,389.15-31,220.96

Finding the Fourth Proportional to 50,983.75, 76,389.15 and 31,220.96

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Solution

The fourth proportional to 50,983.75, 76,389.15 and 31,220.96 is: 46,778.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,983.75 : 76,389.15 = 31,220.96 : x
  2. Step 2: Convert to fraction form
    50,983.75/76,389.15 = 31,220.96/x
  3. Step 3: Cross multiply
    50,983.75x = 76,389.15 × 31,220.96
  4. Step 4: Simplify right side
    50,983.75x = 2,384,942,596.58
  5. Step 5: Solve for x
    x = 2,384,942,596.58/50,983.75
  6. Step 6: Final answer
    x = 46,778.49

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1.5x scale

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.