Home / 67,771.04-101,662.32-23,379.80

Finding the Fourth Proportional to 67,771.04, 101,662.32 and 23,379.80

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Solution

The fourth proportional to 67,771.04, 101,662.32 and 23,379.80 is: 35,071.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,771.04 : 101,662.32 = 23,379.80 : x
  2. Step 2: Convert to fraction form
    67,771.04/101,662.32 = 23,379.80/x
  3. Step 3: Cross multiply
    67,771.04x = 101,662.32 × 23,379.80
  4. Step 4: Simplify right side
    67,771.04x = 2,376,844,709.14
  5. Step 5: Solve for x
    x = 2,376,844,709.14/67,771.04
  6. Step 6: Final answer
    x = 35,071.69

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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.