Home / 75,815.36-113,664.32-50,815.36

Finding the Fourth Proportional to 75,815.36, 113,664.32 and 50,815.36

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Solution

The fourth proportional to 75,815.36, 113,664.32 and 50,815.36 is: 76,183.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,815.36 : 113,664.32 = 50,815.36 : x
  2. Step 2: Convert to fraction form
    75,815.36/113,664.32 = 50,815.36/x
  3. Step 3: Cross multiply
    75,815.36x = 113,664.32 × 50,815.36
  4. Step 4: Simplify right side
    75,815.36x = 5,775,893,339.96
  5. Step 5: Solve for x
    x = 5,775,893,339.96/75,815.36
  6. Step 6: Final answer
    x = 76,183.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.