Home / 50,983.25-76,388.40-31,220.46

Finding the Fourth Proportional to 50,983.25, 76,388.40 and 31,220.46

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Solution

The fourth proportional to 50,983.25, 76,388.40 and 31,220.46 is: 46,777.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,983.25 : 76,388.40 = 31,220.46 : x
  2. Step 2: Convert to fraction form
    50,983.25/76,388.40 = 31,220.46/x
  3. Step 3: Cross multiply
    50,983.25x = 76,388.40 × 31,220.46
  4. Step 4: Simplify right side
    50,983.25x = 2,384,880,986.66
  5. Step 5: Solve for x
    x = 2,384,880,986.66/50,983.25
  6. Step 6: Final answer
    x = 46,777.74

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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.