Home / 112,480.94-168,717.20-28,241.66

Finding the Fourth Proportional to 112,480.94, 168,717.20 and 28,241.66

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Solution

The fourth proportional to 112,480.94, 168,717.20 and 28,241.66 is: 42,361.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,480.94 : 168,717.20 = 28,241.66 : x
  2. Step 2: Convert to fraction form
    112,480.94/168,717.20 = 28,241.66/x
  3. Step 3: Cross multiply
    112,480.94x = 168,717.20 × 28,241.66
  4. Step 4: Simplify right side
    112,480.94x = 4,764,853,798.55
  5. Step 5: Solve for x
    x = 4,764,853,798.55/112,480.94
  6. Step 6: Final answer
    x = 42,361.43

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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.