Home / 100,432.14-150,662.25-33,891.45

Finding the Fourth Proportional to 100,432.14, 150,662.25 and 33,891.45

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Solution

The fourth proportional to 100,432.14, 150,662.25 and 33,891.45 is: 50,841.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,432.14 : 150,662.25 = 33,891.45 : x
  2. Step 2: Convert to fraction form
    100,432.14/150,662.25 = 33,891.45/x
  3. Step 3: Cross multiply
    100,432.14x = 150,662.25 × 33,891.45
  4. Step 4: Simplify right side
    100,432.14x = 5,106,162,112.76
  5. Step 5: Solve for x
    x = 5,106,162,112.76/100,432.14
  6. Step 6: Final answer
    x = 50,841.91

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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.