Finding the Fourth Proportional to 73,896.19, 101,976.75 and 40,362.19
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Solution
The fourth proportional to 73,896.19, 101,976.75 and 40,362.19 is: 55,699.82
Step by Step Solution
- Step 1: Write the proportion equation
73,896.19 : 101,976.75 = 40,362.19 : x - Step 2: Convert to fraction form
73,896.19/101,976.75 = 40,362.19/x - Step 3: Cross multiply
73,896.19x = 101,976.75 × 40,362.19 - Step 4: Simplify right side
73,896.19x = 4,116,004,704.14 - Step 5: Solve for x
x = 4,116,004,704.14/73,896.19 - Step 6: Final answer
x = 55,699.82
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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.