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Finding the Fourth Proportional to 73,797.41, 110,675.09 and 20,476.28

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Solution

The fourth proportional to 73,797.41, 110,675.09 and 20,476.28 is: 30,708.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,797.41 : 110,675.09 = 20,476.28 : x
  2. Step 2: Convert to fraction form
    73,797.41/110,675.09 = 20,476.28/x
  3. Step 3: Cross multiply
    73,797.41x = 110,675.09 × 20,476.28
  4. Step 4: Simplify right side
    73,797.41x = 2,266,214,459.74
  5. Step 5: Solve for x
    x = 2,266,214,459.74/73,797.41
  6. Step 6: Final answer
    x = 30,708.59

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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.