Home / 49,122.44-73,622.04-21,009.50

Finding the Fourth Proportional to 49,122.44, 73,622.04 and 21,009.50

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Solution

The fourth proportional to 49,122.44, 73,622.04 and 21,009.50 is: 31,487.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,122.44 : 73,622.04 = 21,009.50 : x
  2. Step 2: Convert to fraction form
    49,122.44/73,622.04 = 21,009.50/x
  3. Step 3: Cross multiply
    49,122.44x = 73,622.04 × 21,009.50
  4. Step 4: Simplify right side
    49,122.44x = 1,546,762,078.57
  5. Step 5: Solve for x
    x = 1,546,762,078.57/49,122.44
  6. Step 6: Final answer
    x = 31,487.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.