Home / 49,619.79-68,458.08-31,725.27

Finding the Fourth Proportional to 49,619.79, 68,458.08 and 31,725.27

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Solution

The fourth proportional to 49,619.79, 68,458.08 and 31,725.27 is: 43,769.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,619.79 : 68,458.08 = 31,725.27 : x
  2. Step 2: Convert to fraction form
    49,619.79/68,458.08 = 31,725.27/x
  3. Step 3: Cross multiply
    49,619.79x = 68,458.08 × 31,725.27
  4. Step 4: Simplify right side
    49,619.79x = 2,171,851,071.68
  5. Step 5: Solve for x
    x = 2,171,851,071.68/49,619.79
  6. Step 6: Final answer
    x = 43,769.86

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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.