Home / 74,524.51-111,786.84-30,151.64

Finding the Fourth Proportional to 74,524.51, 111,786.84 and 30,151.64

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Solution

The fourth proportional to 74,524.51, 111,786.84 and 30,151.64 is: 45,227.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,524.51 : 111,786.84 = 30,151.64 : x
  2. Step 2: Convert to fraction form
    74,524.51/111,786.84 = 30,151.64/x
  3. Step 3: Cross multiply
    74,524.51x = 111,786.84 × 30,151.64
  4. Step 4: Simplify right side
    74,524.51x = 3,370,556,835.88
  5. Step 5: Solve for x
    x = 3,370,556,835.88/74,524.51
  6. Step 6: Final answer
    x = 45,227.49

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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.