Home / 100,321.37-150,497.62-33,756.31

Finding the Fourth Proportional to 100,321.37, 150,497.62 and 33,756.31

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Solution

The fourth proportional to 100,321.37, 150,497.62 and 33,756.31 is: 50,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,321.37 : 150,497.62 = 33,756.31 : x
  2. Step 2: Convert to fraction form
    100,321.37/150,497.62 = 33,756.31/x
  3. Step 3: Cross multiply
    100,321.37x = 150,497.62 × 33,756.31
  4. Step 4: Simplify right side
    100,321.37x = 5,080,243,878.74
  5. Step 5: Solve for x
    x = 5,080,243,878.74/100,321.37
  6. Step 6: Final answer
    x = 50,639.70

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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.