Home / 67,066.24-100,614.93-19,679.41

Finding the Fourth Proportional to 67,066.24, 100,614.93 and 19,679.41

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Solution

The fourth proportional to 67,066.24, 100,614.93 and 19,679.41 is: 29,523.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,066.24 : 100,614.93 = 19,679.41 : x
  2. Step 2: Convert to fraction form
    67,066.24/100,614.93 = 19,679.41/x
  3. Step 3: Cross multiply
    67,066.24x = 100,614.93 × 19,679.41
  4. Step 4: Simplify right side
    67,066.24x = 1,980,042,459.59
  5. Step 5: Solve for x
    x = 1,980,042,459.59/67,066.24
  6. Step 6: Final answer
    x = 29,523.68

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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.