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Finding the Fourth Proportional to 73,064.94, 109,509.30 and 35,568.84

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Solution

The fourth proportional to 73,064.94, 109,509.30 and 35,568.84 is: 53,310.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,064.94 : 109,509.30 = 35,568.84 : x
  2. Step 2: Convert to fraction form
    73,064.94/109,509.30 = 35,568.84/x
  3. Step 3: Cross multiply
    73,064.94x = 109,509.30 × 35,568.84
  4. Step 4: Simplify right side
    73,064.94x = 3,895,118,770.21
  5. Step 5: Solve for x
    x = 3,895,118,770.21/73,064.94
  6. Step 6: Final answer
    x = 53,310.37

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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.