Home / 85,003.44-117,234.96-75,450.30

Finding the Fourth Proportional to 85,003.44, 117,234.96 and 75,450.30

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Solution

The fourth proportional to 85,003.44, 117,234.96 and 75,450.30 is: 104,059.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,003.44 : 117,234.96 = 75,450.30 : x
  2. Step 2: Convert to fraction form
    85,003.44/117,234.96 = 75,450.30/x
  3. Step 3: Cross multiply
    85,003.44x = 117,234.96 × 75,450.30
  4. Step 4: Simplify right side
    85,003.44x = 8,845,412,902.49
  5. Step 5: Solve for x
    x = 8,845,412,902.49/85,003.44
  6. Step 6: Final answer
    x = 104,059.47

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1.5x scale

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.