Home / 82,095.27-122,958.38-49,987.38

Finding the Fourth Proportional to 82,095.27, 122,958.38 and 49,987.38

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Solution

The fourth proportional to 82,095.27, 122,958.38 and 49,987.38 is: 74,868.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,095.27 : 122,958.38 = 49,987.38 : x
  2. Step 2: Convert to fraction form
    82,095.27/122,958.38 = 49,987.38/x
  3. Step 3: Cross multiply
    82,095.27x = 122,958.38 × 49,987.38
  4. Step 4: Simplify right side
    82,095.27x = 6,146,367,019.08
  5. Step 5: Solve for x
    x = 6,146,367,019.08/82,095.27
  6. Step 6: Final answer
    x = 74,868.71

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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.