Home / 99,236.60-136,945.96-53,914.22

Finding the Fourth Proportional to 99,236.60, 136,945.96 and 53,914.22

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Solution

The fourth proportional to 99,236.60, 136,945.96 and 53,914.22 is: 74,401.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,236.60 : 136,945.96 = 53,914.22 : x
  2. Step 2: Convert to fraction form
    99,236.60/136,945.96 = 53,914.22/x
  3. Step 3: Cross multiply
    99,236.60x = 136,945.96 × 53,914.22
  4. Step 4: Simplify right side
    99,236.60x = 7,383,334,615.55
  5. Step 5: Solve for x
    x = 7,383,334,615.55/99,236.60
  6. Step 6: Final answer
    x = 74,401.33

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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.