Home / 67,748.12-101,685.21-34,493.06

Finding the Fourth Proportional to 67,748.12, 101,685.21 and 34,493.06

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Solution

The fourth proportional to 67,748.12, 101,685.21 and 34,493.06 is: 51,771.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,748.12 : 101,685.21 = 34,493.06 : x
  2. Step 2: Convert to fraction form
    67,748.12/101,685.21 = 34,493.06/x
  3. Step 3: Cross multiply
    67,748.12x = 101,685.21 × 34,493.06
  4. Step 4: Simplify right side
    67,748.12x = 3,507,434,049.64
  5. Step 5: Solve for x
    x = 3,507,434,049.64/67,748.12
  6. Step 6: Final answer
    x = 51,771.68

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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.