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Finding the Fourth Proportional to 69,463, 104,199.68 and 27,910.12

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Solution

The fourth proportional to 69,463, 104,199.68 and 27,910.12 is: 41,867.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,463 : 104,199.68 = 27,910.12 : x
  2. Step 2: Convert to fraction form
    69,463/104,199.68 = 27,910.12/x
  3. Step 3: Cross multiply
    69,463x = 104,199.68 × 27,910.12
  4. Step 4: Simplify right side
    69,463x = 2,908,225,572.76
  5. Step 5: Solve for x
    x = 2,908,225,572.76/69,463
  6. Step 6: Final answer
    x = 41,867.26

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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.