Home / 67,066.85-100,600.08-17,146.96

Finding the Fourth Proportional to 67,066.85, 100,600.08 and 17,146.96

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Solution

The fourth proportional to 67,066.85, 100,600.08 and 17,146.96 is: 25,720.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,066.85 : 100,600.08 = 17,146.96 : x
  2. Step 2: Convert to fraction form
    67,066.85/100,600.08 = 17,146.96/x
  3. Step 3: Cross multiply
    67,066.85x = 100,600.08 × 17,146.96
  4. Step 4: Simplify right side
    67,066.85x = 1,724,985,231.96
  5. Step 5: Solve for x
    x = 1,724,985,231.96/67,066.85
  6. Step 6: Final answer
    x = 25,720.38

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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.