Home / 108,645.12-162,982.80-49,495.68

Finding the Fourth Proportional to 108,645.12, 162,982.80 and 49,495.68

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Solution

The fourth proportional to 108,645.12, 162,982.80 and 49,495.68 is: 74,250.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,645.12 : 162,982.80 = 49,495.68 : x
  2. Step 2: Convert to fraction form
    108,645.12/162,982.80 = 49,495.68/x
  3. Step 3: Cross multiply
    108,645.12x = 162,982.80 × 49,495.68
  4. Step 4: Simplify right side
    108,645.12x = 8,066,944,514.30
  5. Step 5: Solve for x
    x = 8,066,944,514.30/108,645.12
  6. Step 6: Final answer
    x = 74,250.41

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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.