Home / 82,582.14-114,032.75-62,128.73

Finding the Fourth Proportional to 82,582.14, 114,032.75 and 62,128.73

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Solution

The fourth proportional to 82,582.14, 114,032.75 and 62,128.73 is: 85,789.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,582.14 : 114,032.75 = 62,128.73 : x
  2. Step 2: Convert to fraction form
    82,582.14/114,032.75 = 62,128.73/x
  3. Step 3: Cross multiply
    82,582.14x = 114,032.75 × 62,128.73
  4. Step 4: Simplify right side
    82,582.14x = 7,084,709,745.33
  5. Step 5: Solve for x
    x = 7,084,709,745.33/82,582.14
  6. Step 6: Final answer
    x = 85,789.86

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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.