Home / 76,020.52-113,879.58-69,523.24

Finding the Fourth Proportional to 76,020.52, 113,879.58 and 69,523.24

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Solution

The fourth proportional to 76,020.52, 113,879.58 and 69,523.24 is: 104,146.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,020.52 : 113,879.58 = 69,523.24 : x
  2. Step 2: Convert to fraction form
    76,020.52/113,879.58 = 69,523.24/x
  3. Step 3: Cross multiply
    76,020.52x = 113,879.58 × 69,523.24
  4. Step 4: Simplify right side
    76,020.52x = 7,917,277,371.44
  5. Step 5: Solve for x
    x = 7,917,277,371.44/76,020.52
  6. Step 6: Final answer
    x = 104,146.58

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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.