Home / 108,128.48-162,172.84-29,249.04

Finding the Fourth Proportional to 108,128.48, 162,172.84 and 29,249.04

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Solution

The fourth proportional to 108,128.48, 162,172.84 and 29,249.04 is: 43,868.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,128.48 : 162,172.84 = 29,249.04 : x
  2. Step 2: Convert to fraction form
    108,128.48/162,172.84 = 29,249.04/x
  3. Step 3: Cross multiply
    108,128.48x = 162,172.84 × 29,249.04
  4. Step 4: Simplify right side
    108,128.48x = 4,743,399,884.07
  5. Step 5: Solve for x
    x = 4,743,399,884.07/108,128.48
  6. Step 6: Final answer
    x = 43,868.18

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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.