Home / 109,708.32-164,528.44-39,578.48

Finding the Fourth Proportional to 109,708.32, 164,528.44 and 39,578.48

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Solution

The fourth proportional to 109,708.32, 164,528.44 and 39,578.48 is: 59,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,708.32 : 164,528.44 = 39,578.48 : x
  2. Step 2: Convert to fraction form
    109,708.32/164,528.44 = 39,578.48/x
  3. Step 3: Cross multiply
    109,708.32x = 164,528.44 × 39,578.48
  4. Step 4: Simplify right side
    109,708.32x = 6,511,785,571.97
  5. Step 5: Solve for x
    x = 6,511,785,571.97/109,708.32
  6. Step 6: Final answer
    x = 59,355.44

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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.