Home / 66,816.14-100,151.76-33,455.78

Finding the Fourth Proportional to 66,816.14, 100,151.76 and 33,455.78

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Solution

The fourth proportional to 66,816.14, 100,151.76 and 33,455.78 is: 50,147.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,816.14 : 100,151.76 = 33,455.78 : x
  2. Step 2: Convert to fraction form
    66,816.14/100,151.76 = 33,455.78/x
  3. Step 3: Cross multiply
    66,816.14x = 100,151.76 × 33,455.78
  4. Step 4: Simplify right side
    66,816.14x = 3,350,655,249.17
  5. Step 5: Solve for x
    x = 3,350,655,249.17/66,816.14
  6. Step 6: Final answer
    x = 50,147.39

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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.