Home / 109,496.16-164,236.05-30,616.56

Finding the Fourth Proportional to 109,496.16, 164,236.05 and 30,616.56

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Solution

The fourth proportional to 109,496.16, 164,236.05 and 30,616.56 is: 45,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,496.16 : 164,236.05 = 30,616.56 : x
  2. Step 2: Convert to fraction form
    109,496.16/164,236.05 = 30,616.56/x
  3. Step 3: Cross multiply
    109,496.16x = 164,236.05 × 30,616.56
  4. Step 4: Simplify right side
    109,496.16x = 5,028,342,878.99
  5. Step 5: Solve for x
    x = 5,028,342,878.99/109,496.16
  6. Step 6: Final answer
    x = 45,922.55

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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.