Home / 84,929.28-117,183.36-51,394.56

Finding the Fourth Proportional to 84,929.28, 117,183.36 and 51,394.56

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Solution

The fourth proportional to 84,929.28, 117,183.36 and 51,394.56 is: 70,912.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,929.28 : 117,183.36 = 51,394.56 : x
  2. Step 2: Convert to fraction form
    84,929.28/117,183.36 = 51,394.56/x
  3. Step 3: Cross multiply
    84,929.28x = 117,183.36 × 51,394.56
  4. Step 4: Simplify right side
    84,929.28x = 6,022,587,226.52
  5. Step 5: Solve for x
    x = 6,022,587,226.52/84,929.28
  6. Step 6: Final answer
    x = 70,912.97

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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.