Home / 109,698.57-164,553.99-30,806.64

Finding the Fourth Proportional to 109,698.57, 164,553.99 and 30,806.64

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Solution

The fourth proportional to 109,698.57, 164,553.99 and 30,806.64 is: 46,211.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,698.57 : 164,553.99 = 30,806.64 : x
  2. Step 2: Convert to fraction form
    109,698.57/164,553.99 = 30,806.64/x
  3. Step 3: Cross multiply
    109,698.57x = 164,553.99 × 30,806.64
  4. Step 4: Simplify right side
    109,698.57x = 5,069,355,530.49
  5. Step 5: Solve for x
    x = 5,069,355,530.49/109,698.57
  6. Step 6: Final answer
    x = 46,211.68

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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.