Home / 50,986.45-76,393.32-31,223.71

Finding the Fourth Proportional to 50,986.45, 76,393.32 and 31,223.71

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Solution

The fourth proportional to 50,986.45, 76,393.32 and 31,223.71 is: 46,782.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,986.45 : 76,393.32 = 31,223.71 : x
  2. Step 2: Convert to fraction form
    50,986.45/76,393.32 = 31,223.71/x
  3. Step 3: Cross multiply
    50,986.45x = 76,393.32 × 31,223.71
  4. Step 4: Simplify right side
    50,986.45x = 2,385,282,869.62
  5. Step 5: Solve for x
    x = 2,385,282,869.62/50,986.45
  6. Step 6: Final answer
    x = 46,782.68

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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.