Home / 82,917.35-114,390.47-54,187.15

Finding the Fourth Proportional to 82,917.35, 114,390.47 and 54,187.15

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Solution

The fourth proportional to 82,917.35, 114,390.47 and 54,187.15 is: 74,755.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,917.35 : 114,390.47 = 54,187.15 : x
  2. Step 2: Convert to fraction form
    82,917.35/114,390.47 = 54,187.15/x
  3. Step 3: Cross multiply
    82,917.35x = 114,390.47 × 54,187.15
  4. Step 4: Simplify right side
    82,917.35x = 6,198,493,556.46
  5. Step 5: Solve for x
    x = 6,198,493,556.46/82,917.35
  6. Step 6: Final answer
    x = 74,755.09

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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.