Home / 82,035.46-113,221.59-49,775.38

Finding the Fourth Proportional to 82,035.46, 113,221.59 and 49,775.38

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Solution

The fourth proportional to 82,035.46, 113,221.59 and 49,775.38 is: 68,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,035.46 : 113,221.59 = 49,775.38 : x
  2. Step 2: Convert to fraction form
    82,035.46/113,221.59 = 49,775.38/x
  3. Step 3: Cross multiply
    82,035.46x = 113,221.59 × 49,775.38
  4. Step 4: Simplify right side
    82,035.46x = 5,635,647,666.45
  5. Step 5: Solve for x
    x = 5,635,647,666.45/82,035.46
  6. Step 6: Final answer
    x = 68,697.70

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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.