Finding the Fourth Proportional to 75,481.53, 104,162.26 and 43,215.08
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Solution
The fourth proportional to 75,481.53, 104,162.26 and 43,215.08 is: 59,635.52
Step by Step Solution
- Step 1: Write the proportion equation
75,481.53 : 104,162.26 = 43,215.08 : x - Step 2: Convert to fraction form
75,481.53/104,162.26 = 43,215.08/x - Step 3: Cross multiply
75,481.53x = 104,162.26 × 43,215.08 - Step 4: Simplify right side
75,481.53x = 4,501,380,138.48 - Step 5: Solve for x
x = 4,501,380,138.48/75,481.53 - Step 6: Final answer
x = 59,635.52
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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.