Home / 66,814.14-100,148.76-33,453.78

Finding the Fourth Proportional to 66,814.14, 100,148.76 and 33,453.78

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Solution

The fourth proportional to 66,814.14, 100,148.76 and 33,453.78 is: 50,144.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,814.14 : 100,148.76 = 33,453.78 : x
  2. Step 2: Convert to fraction form
    66,814.14/100,148.76 = 33,453.78/x
  3. Step 3: Cross multiply
    66,814.14x = 100,148.76 × 33,453.78
  4. Step 4: Simplify right side
    66,814.14x = 3,350,354,584.31
  5. Step 5: Solve for x
    x = 3,350,354,584.31/66,814.14
  6. Step 6: Final answer
    x = 50,144.39

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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.