Home / 76,107.57-114,157.94-19,946.43

Finding the Fourth Proportional to 76,107.57, 114,157.94 and 19,946.43

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Solution

The fourth proportional to 76,107.57, 114,157.94 and 19,946.43 is: 29,918.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,107.57 : 114,157.94 = 19,946.43 : x
  2. Step 2: Convert to fraction form
    76,107.57/114,157.94 = 19,946.43/x
  3. Step 3: Cross multiply
    76,107.57x = 114,157.94 × 19,946.43
  4. Step 4: Simplify right side
    76,107.57x = 2,277,043,259.42
  5. Step 5: Solve for x
    x = 2,277,043,259.42/76,107.57
  6. Step 6: Final answer
    x = 29,918.75

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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.