Home / 67,051.57-100,577.26-17,131.70

Finding the Fourth Proportional to 67,051.57, 100,577.26 and 17,131.70

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Solution

The fourth proportional to 67,051.57, 100,577.26 and 17,131.70 is: 25,697.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,051.57 : 100,577.26 = 17,131.70 : x
  2. Step 2: Convert to fraction form
    67,051.57/100,577.26 = 17,131.70/x
  3. Step 3: Cross multiply
    67,051.57x = 100,577.26 × 17,131.70
  4. Step 4: Simplify right side
    67,051.57x = 1,723,059,445.14
  5. Step 5: Solve for x
    x = 1,723,059,445.14/67,051.57
  6. Step 6: Final answer
    x = 25,697.53

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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.