Home / 83,704.74-115,494.57-49,724.70

Finding the Fourth Proportional to 83,704.74, 115,494.57 and 49,724.70

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Solution

The fourth proportional to 83,704.74, 115,494.57 and 49,724.70 is: 68,609.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,704.74 : 115,494.57 = 49,724.70 : x
  2. Step 2: Convert to fraction form
    83,704.74/115,494.57 = 49,724.70/x
  3. Step 3: Cross multiply
    83,704.74x = 115,494.57 × 49,724.70
  4. Step 4: Simplify right side
    83,704.74x = 5,742,932,844.88
  5. Step 5: Solve for x
    x = 5,742,932,844.88/83,704.74
  6. Step 6: Final answer
    x = 68,609.41

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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.