Home / 109,100.24-163,650.38-30,214.48

Finding the Fourth Proportional to 109,100.24, 163,650.38 and 30,214.48

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Solution

The fourth proportional to 109,100.24, 163,650.38 and 30,214.48 is: 45,321.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,100.24 : 163,650.38 = 30,214.48 : x
  2. Step 2: Convert to fraction form
    109,100.24/163,650.38 = 30,214.48/x
  3. Step 3: Cross multiply
    109,100.24x = 163,650.38 × 30,214.48
  4. Step 4: Simplify right side
    109,100.24x = 4,944,611,133.50
  5. Step 5: Solve for x
    x = 4,944,611,133.50/109,100.24
  6. Step 6: Final answer
    x = 45,321.73

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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.