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Finding the Fourth Proportional to 73,512.51, 110,269.62 and 69,927.21

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Solution

The fourth proportional to 73,512.51, 110,269.62 and 69,927.21 is: 104,891.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,512.51 : 110,269.62 = 69,927.21 : x
  2. Step 2: Convert to fraction form
    73,512.51/110,269.62 = 69,927.21/x
  3. Step 3: Cross multiply
    73,512.51x = 110,269.62 × 69,927.21
  4. Step 4: Simplify right side
    73,512.51x = 7,710,846,874.36
  5. Step 5: Solve for x
    x = 7,710,846,874.36/73,512.51
  6. Step 6: Final answer
    x = 104,891.63

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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.