Home / 84,133.09-116,109.89-48,324.61

Finding the Fourth Proportional to 84,133.09, 116,109.89 and 48,324.61

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Solution

The fourth proportional to 84,133.09, 116,109.89 and 48,324.61 is: 66,691.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,133.09 : 116,109.89 = 48,324.61 : x
  2. Step 2: Convert to fraction form
    84,133.09/116,109.89 = 48,324.61/x
  3. Step 3: Cross multiply
    84,133.09x = 116,109.89 × 48,324.61
  4. Step 4: Simplify right side
    84,133.09x = 5,610,965,151.39
  5. Step 5: Solve for x
    x = 5,610,965,151.39/84,133.09
  6. Step 6: Final answer
    x = 66,691.54

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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.