Home / 109,323.54-163,982.43-30,443.22

Finding the Fourth Proportional to 109,323.54, 163,982.43 and 30,443.22

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Solution

The fourth proportional to 109,323.54, 163,982.43 and 30,443.22 is: 45,664.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,323.54 : 163,982.43 = 30,443.22 : x
  2. Step 2: Convert to fraction form
    109,323.54/163,982.43 = 30,443.22/x
  3. Step 3: Cross multiply
    109,323.54x = 163,982.43 × 30,443.22
  4. Step 4: Simplify right side
    109,323.54x = 4,992,153,192.62
  5. Step 5: Solve for x
    x = 4,992,153,192.62/109,323.54
  6. Step 6: Final answer
    x = 45,664.03

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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.