Home / 61,134.57-84,383.64-39,917.07

Finding the Fourth Proportional to 61,134.57, 84,383.64 and 39,917.07

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Solution

The fourth proportional to 61,134.57, 84,383.64 and 39,917.07 is: 55,097.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,134.57 : 84,383.64 = 39,917.07 : x
  2. Step 2: Convert to fraction form
    61,134.57/84,383.64 = 39,917.07/x
  3. Step 3: Cross multiply
    61,134.57x = 84,383.64 × 39,917.07
  4. Step 4: Simplify right side
    61,134.57x = 3,368,347,664.73
  5. Step 5: Solve for x
    x = 3,368,347,664.73/61,134.57
  6. Step 6: Final answer
    x = 55,097.27

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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.