Home / 49,621.80-68,460.84-31,727.28

Finding the Fourth Proportional to 49,621.80, 68,460.84 and 31,727.28

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Solution

The fourth proportional to 49,621.80, 68,460.84 and 31,727.28 is: 43,772.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,621.80 : 68,460.84 = 31,727.28 : x
  2. Step 2: Convert to fraction form
    49,621.80/68,460.84 = 31,727.28/x
  3. Step 3: Cross multiply
    49,621.80x = 68,460.84 × 31,727.28
  4. Step 4: Simplify right side
    49,621.80x = 2,172,076,239.72
  5. Step 5: Solve for x
    x = 2,172,076,239.72/49,621.80
  6. Step 6: Final answer
    x = 43,772.62

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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.