Home / 97,770.36-146,626.20-50,997.72

Finding the Fourth Proportional to 97,770.36, 146,626.20 and 50,997.72

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Solution

The fourth proportional to 97,770.36, 146,626.20 and 50,997.72 is: 76,481.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,770.36 : 146,626.20 = 50,997.72 : x
  2. Step 2: Convert to fraction form
    97,770.36/146,626.20 = 50,997.72/x
  3. Step 3: Cross multiply
    97,770.36x = 146,626.20 × 50,997.72
  4. Step 4: Simplify right side
    97,770.36x = 7,477,601,892.26
  5. Step 5: Solve for x
    x = 7,477,601,892.26/97,770.36
  6. Step 6: Final answer
    x = 76,481.28

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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.