Home / 84,906.36-117,169.54-49,099.70

Finding the Fourth Proportional to 84,906.36, 117,169.54 and 49,099.70

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Solution

The fourth proportional to 84,906.36, 117,169.54 and 49,099.70 is: 67,756.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,906.36 : 117,169.54 = 49,099.70 : x
  2. Step 2: Convert to fraction form
    84,906.36/117,169.54 = 49,099.70/x
  3. Step 3: Cross multiply
    84,906.36x = 117,169.54 × 49,099.70
  4. Step 4: Simplify right side
    84,906.36x = 5,752,989,433.31
  5. Step 5: Solve for x
    x = 5,752,989,433.31/84,906.36
  6. Step 6: Final answer
    x = 67,756.87

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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.