Home / 84,464.44-116,072.94-80,561.40

Finding the Fourth Proportional to 84,464.44, 116,072.94 and 80,561.40

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Solution

The fourth proportional to 84,464.44, 116,072.94 and 80,561.40 is: 110,709.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,464.44 : 116,072.94 = 80,561.40 : x
  2. Step 2: Convert to fraction form
    84,464.44/116,072.94 = 80,561.40/x
  3. Step 3: Cross multiply
    84,464.44x = 116,072.94 × 80,561.40
  4. Step 4: Simplify right side
    84,464.44x = 9,350,998,548.52
  5. Step 5: Solve for x
    x = 9,350,998,548.52/84,464.44
  6. Step 6: Final answer
    x = 110,709.29

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.