Home / 108,984.96-163,418.16-34,072.80

Finding the Fourth Proportional to 108,984.96, 163,418.16 and 34,072.80

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Solution

The fourth proportional to 108,984.96, 163,418.16 and 34,072.80 is: 51,090.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,984.96 : 163,418.16 = 34,072.80 : x
  2. Step 2: Convert to fraction form
    108,984.96/163,418.16 = 34,072.80/x
  3. Step 3: Cross multiply
    108,984.96x = 163,418.16 × 34,072.80
  4. Step 4: Simplify right side
    108,984.96x = 5,568,114,282.05
  5. Step 5: Solve for x
    x = 5,568,114,282.05/108,984.96
  6. Step 6: Final answer
    x = 51,090.67

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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.