Home / 109,086.66-163,611.77-30,208.86

Finding the Fourth Proportional to 109,086.66, 163,611.77 and 30,208.86

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Solution

The fourth proportional to 109,086.66, 163,611.77 and 30,208.86 is: 45,308.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,086.66 : 163,611.77 = 30,208.86 : x
  2. Step 2: Convert to fraction form
    109,086.66/163,611.77 = 30,208.86/x
  3. Step 3: Cross multiply
    109,086.66x = 163,611.77 × 30,208.86
  4. Step 4: Simplify right side
    109,086.66x = 4,942,524,903.24
  5. Step 5: Solve for x
    x = 4,942,524,903.24/109,086.66
  6. Step 6: Final answer
    x = 45,308.24

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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.