Home / 76,668.74-114,953.86-50,342.73

Finding the Fourth Proportional to 76,668.74, 114,953.86 and 50,342.73

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Solution

The fourth proportional to 76,668.74, 114,953.86 and 50,342.73 is: 75,481.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,668.74 : 114,953.86 = 50,342.73 : x
  2. Step 2: Convert to fraction form
    76,668.74/114,953.86 = 50,342.73/x
  3. Step 3: Cross multiply
    76,668.74x = 114,953.86 × 50,342.73
  4. Step 4: Simplify right side
    76,668.74x = 5,787,091,136.44
  5. Step 5: Solve for x
    x = 5,787,091,136.44/76,668.74
  6. Step 6: Final answer
    x = 75,481.76

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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.