Home / 84,912.09-117,169.38-49,096.68

Finding the Fourth Proportional to 84,912.09, 117,169.38 and 49,096.68

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Solution

The fourth proportional to 84,912.09, 117,169.38 and 49,096.68 is: 67,748.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,912.09 : 117,169.38 = 49,096.68 : x
  2. Step 2: Convert to fraction form
    84,912.09/117,169.38 = 49,096.68/x
  3. Step 3: Cross multiply
    84,912.09x = 117,169.38 × 49,096.68
  4. Step 4: Simplify right side
    84,912.09x = 5,752,627,555.66
  5. Step 5: Solve for x
    x = 5,752,627,555.66/84,912.09
  6. Step 6: Final answer
    x = 67,748.04

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1.5x scale

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.