Home / 49,963.66-74,976.75-31,280.18

Finding the Fourth Proportional to 49,963.66, 74,976.75 and 31,280.18

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Solution

The fourth proportional to 49,963.66, 74,976.75 and 31,280.18 is: 46,939.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,963.66 : 74,976.75 = 31,280.18 : x
  2. Step 2: Convert to fraction form
    49,963.66/74,976.75 = 31,280.18/x
  3. Step 3: Cross multiply
    49,963.66x = 74,976.75 × 31,280.18
  4. Step 4: Simplify right side
    49,963.66x = 2,345,285,860.93
  5. Step 5: Solve for x
    x = 2,345,285,860.93/49,963.66
  6. Step 6: Final answer
    x = 46,939.84

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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.