Home / 112,456.20-168,703.20-33,578.40

Finding the Fourth Proportional to 112,456.20, 168,703.20 and 33,578.40

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Solution

The fourth proportional to 112,456.20, 168,703.20 and 33,578.40 is: 50,373.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,456.20 : 168,703.20 = 33,578.40 : x
  2. Step 2: Convert to fraction form
    112,456.20/168,703.20 = 33,578.40/x
  3. Step 3: Cross multiply
    112,456.20x = 168,703.20 × 33,578.40
  4. Step 4: Simplify right side
    112,456.20x = 5,664,783,530.88
  5. Step 5: Solve for x
    x = 5,664,783,530.88/112,456.20
  6. Step 6: Final answer
    x = 50,373.24

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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.