Home / 82,336.52-113,688.38-63,185.96

Finding the Fourth Proportional to 82,336.52, 113,688.38 and 63,185.96

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Solution

The fourth proportional to 82,336.52, 113,688.38 and 63,185.96 is: 87,245.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,336.52 : 113,688.38 = 63,185.96 : x
  2. Step 2: Convert to fraction form
    82,336.52/113,688.38 = 63,185.96/x
  3. Step 3: Cross multiply
    82,336.52x = 113,688.38 × 63,185.96
  4. Step 4: Simplify right side
    82,336.52x = 7,183,509,431.14
  5. Step 5: Solve for x
    x = 7,183,509,431.14/82,336.52
  6. Step 6: Final answer
    x = 87,245.73

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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.