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Finding the Fourth Proportional to 73,743.36, 110,620.72 and 26,368.50

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Solution

The fourth proportional to 73,743.36, 110,620.72 and 26,368.50 is: 39,554.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,743.36 : 110,620.72 = 26,368.50 : x
  2. Step 2: Convert to fraction form
    73,743.36/110,620.72 = 26,368.50/x
  3. Step 3: Cross multiply
    73,743.36x = 110,620.72 × 26,368.50
  4. Step 4: Simplify right side
    73,743.36x = 2,916,902,455.32
  5. Step 5: Solve for x
    x = 2,916,902,455.32/73,743.36
  6. Step 6: Final answer
    x = 39,554.78

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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.