Home / 49,803.52-68,702.16-31,879.24

Finding the Fourth Proportional to 49,803.52, 68,702.16 and 31,879.24

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Solution

The fourth proportional to 49,803.52, 68,702.16 and 31,879.24 is: 43,976.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,803.52 : 68,702.16 = 31,879.24 : x
  2. Step 2: Convert to fraction form
    49,803.52/68,702.16 = 31,879.24/x
  3. Step 3: Cross multiply
    49,803.52x = 68,702.16 × 31,879.24
  4. Step 4: Simplify right side
    49,803.52x = 2,190,172,647.16
  5. Step 5: Solve for x
    x = 2,190,172,647.16/49,803.52
  6. Step 6: Final answer
    x = 43,976.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.