Home / 49,786.65-68,702.99-30,923.37

Finding the Fourth Proportional to 49,786.65, 68,702.99 and 30,923.37

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Solution

The fourth proportional to 49,786.65, 68,702.99 and 30,923.37 is: 42,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,786.65 : 68,702.99 = 30,923.37 : x
  2. Step 2: Convert to fraction form
    49,786.65/68,702.99 = 30,923.37/x
  3. Step 3: Cross multiply
    49,786.65x = 68,702.99 × 30,923.37
  4. Step 4: Simplify right side
    49,786.65x = 2,124,527,825.26
  5. Step 5: Solve for x
    x = 2,124,527,825.26/49,786.65
  6. Step 6: Final answer
    x = 42,672.64

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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.