Home / 100,556.20-150,867.11-47,958.85

Finding the Fourth Proportional to 100,556.20, 150,867.11 and 47,958.85

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Solution

The fourth proportional to 100,556.20, 150,867.11 and 47,958.85 is: 71,953.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,556.20 : 150,867.11 = 47,958.85 : x
  2. Step 2: Convert to fraction form
    100,556.20/150,867.11 = 47,958.85/x
  3. Step 3: Cross multiply
    100,556.20x = 150,867.11 × 47,958.85
  4. Step 4: Simplify right side
    100,556.20x = 7,235,413,098.42
  5. Step 5: Solve for x
    x = 7,235,413,098.42/100,556.20
  6. Step 6: Final answer
    x = 71,953.92

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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.