Home / 100,442.22-150,556.41-47,740.38

Finding the Fourth Proportional to 100,442.22, 150,556.41 and 47,740.38

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Solution

The fourth proportional to 100,442.22, 150,556.41 and 47,740.38 is: 71,559.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,442.22 : 150,556.41 = 47,740.38 : x
  2. Step 2: Convert to fraction form
    100,442.22/150,556.41 = 47,740.38/x
  3. Step 3: Cross multiply
    100,442.22x = 150,556.41 × 47,740.38
  4. Step 4: Simplify right side
    100,442.22x = 7,187,620,224.84
  5. Step 5: Solve for x
    x = 7,187,620,224.84/100,442.22
  6. Step 6: Final answer
    x = 71,559.75

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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.