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Finding the Fourth Proportional to 73,244.03, 109,866.09 and 26,485.97

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Solution

The fourth proportional to 73,244.03, 109,866.09 and 26,485.97 is: 39,728.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,244.03 : 109,866.09 = 26,485.97 : x
  2. Step 2: Convert to fraction form
    73,244.03/109,866.09 = 26,485.97/x
  3. Step 3: Cross multiply
    73,244.03x = 109,866.09 × 26,485.97
  4. Step 4: Simplify right side
    73,244.03x = 2,909,909,963.76
  5. Step 5: Solve for x
    x = 2,909,909,963.76/73,244.03
  6. Step 6: Final answer
    x = 39,728.97

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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.