Home / 116,734.03-161,090.76-71,408.68

Finding the Fourth Proportional to 116,734.03, 161,090.76 and 71,408.68

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Solution

The fourth proportional to 116,734.03, 161,090.76 and 71,408.68 is: 98,542.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,734.03 : 161,090.76 = 71,408.68 : x
  2. Step 2: Convert to fraction form
    116,734.03/161,090.76 = 71,408.68/x
  3. Step 3: Cross multiply
    116,734.03x = 161,090.76 × 71,408.68
  4. Step 4: Simplify right side
    116,734.03x = 11,503,278,531.80
  5. Step 5: Solve for x
    x = 11,503,278,531.80/116,734.03
  6. Step 6: Final answer
    x = 98,542.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.