Home / 108,673.26-162,991.20-28,712.08

Finding the Fourth Proportional to 108,673.26, 162,991.20 and 28,712.08

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Solution

The fourth proportional to 108,673.26, 162,991.20 and 28,712.08 is: 43,063.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,673.26 : 162,991.20 = 28,712.08 : x
  2. Step 2: Convert to fraction form
    108,673.26/162,991.20 = 28,712.08/x
  3. Step 3: Cross multiply
    108,673.26x = 162,991.20 × 28,712.08
  4. Step 4: Simplify right side
    108,673.26x = 4,679,816,685.11
  5. Step 5: Solve for x
    x = 4,679,816,685.11/108,673.26
  6. Step 6: Final answer
    x = 43,063.19

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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.