Home / 80,563.14-111,174.04-44,755.40

Finding the Fourth Proportional to 80,563.14, 111,174.04 and 44,755.40

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Solution

The fourth proportional to 80,563.14, 111,174.04 and 44,755.40 is: 61,760.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,563.14 : 111,174.04 = 44,755.40 : x
  2. Step 2: Convert to fraction form
    80,563.14/111,174.04 = 44,755.40/x
  3. Step 3: Cross multiply
    80,563.14x = 111,174.04 × 44,755.40
  4. Step 4: Simplify right side
    80,563.14x = 4,975,638,629.82
  5. Step 5: Solve for x
    x = 4,975,638,629.82/80,563.14
  6. Step 6: Final answer
    x = 61,760.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.