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Finding the Fourth Proportional to 69,996.56, 104,994.90 and 17,406.02

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Solution

The fourth proportional to 69,996.56, 104,994.90 and 17,406.02 is: 26,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,996.56 : 104,994.90 = 17,406.02 : x
  2. Step 2: Convert to fraction form
    69,996.56/104,994.90 = 17,406.02/x
  3. Step 3: Cross multiply
    69,996.56x = 104,994.90 × 17,406.02
  4. Step 4: Simplify right side
    69,996.56x = 1,827,543,591.79
  5. Step 5: Solve for x
    x = 1,827,543,591.79/69,996.56
  6. Step 6: Final answer
    x = 26,109.05

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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.