Home / 97,845.40-146,768.10-51,112.60

Finding the Fourth Proportional to 97,845.40, 146,768.10 and 51,112.60

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Solution

The fourth proportional to 97,845.40, 146,768.10 and 51,112.60 is: 76,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,845.40 : 146,768.10 = 51,112.60 : x
  2. Step 2: Convert to fraction form
    97,845.40/146,768.10 = 51,112.60/x
  3. Step 3: Cross multiply
    97,845.40x = 146,768.10 × 51,112.60
  4. Step 4: Simplify right side
    97,845.40x = 7,501,699,188.06
  5. Step 5: Solve for x
    x = 7,501,699,188.06/97,845.40
  6. Step 6: Final answer
    x = 76,668.90

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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.