Finding the Fourth Proportional to 73,214.75, 101,036.36 and 39,680.75
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Solution
The fourth proportional to 73,214.75, 101,036.36 and 39,680.75 is: 54,759.44
Step by Step Solution
- Step 1: Write the proportion equation
73,214.75 : 101,036.36 = 39,680.75 : x - Step 2: Convert to fraction form
73,214.75/101,036.36 = 39,680.75/x - Step 3: Cross multiply
73,214.75x = 101,036.36 × 39,680.75 - Step 4: Simplify right side
73,214.75x = 4,009,198,542.07 - Step 5: Solve for x
x = 4,009,198,542.07/73,214.75 - Step 6: Final answer
x = 54,759.44
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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.