Home / 100,411.20-150,511.71-33,828.32

Finding the Fourth Proportional to 100,411.20, 150,511.71 and 33,828.32

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Solution

The fourth proportional to 100,411.20, 150,511.71 and 33,828.32 is: 50,707.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,411.20 : 150,511.71 = 33,828.32 : x
  2. Step 2: Convert to fraction form
    100,411.20/150,511.71 = 33,828.32/x
  3. Step 3: Cross multiply
    100,411.20x = 150,511.71 × 33,828.32
  4. Step 4: Simplify right side
    100,411.20x = 5,091,558,289.63
  5. Step 5: Solve for x
    x = 5,091,558,289.63/100,411.20
  6. Step 6: Final answer
    x = 50,707.08

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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.