Home / 67,050.16-100,481.73-50,390.69

Finding the Fourth Proportional to 67,050.16, 100,481.73 and 50,390.69

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Solution

The fourth proportional to 67,050.16, 100,481.73 and 50,390.69 is: 75,515.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,050.16 : 100,481.73 = 50,390.69 : x
  2. Step 2: Convert to fraction form
    67,050.16/100,481.73 = 50,390.69/x
  3. Step 3: Cross multiply
    67,050.16x = 100,481.73 × 50,390.69
  4. Step 4: Simplify right side
    67,050.16x = 5,063,343,651.79
  5. Step 5: Solve for x
    x = 5,063,343,651.79/67,050.16
  6. Step 6: Final answer
    x = 75,515.75

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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.