Home / 49,782.42-68,698.80-27,121.86

Finding the Fourth Proportional to 49,782.42, 68,698.80 and 27,121.86

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Solution

The fourth proportional to 49,782.42, 68,698.80 and 27,121.86 is: 37,427.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,782.42 : 68,698.80 = 27,121.86 : x
  2. Step 2: Convert to fraction form
    49,782.42/68,698.80 = 27,121.86/x
  3. Step 3: Cross multiply
    49,782.42x = 68,698.80 × 27,121.86
  4. Step 4: Simplify right side
    49,782.42x = 1,863,239,235.77
  5. Step 5: Solve for x
    x = 1,863,239,235.77/49,782.42
  6. Step 6: Final answer
    x = 37,427.65

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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.