Finding the Fourth Proportional to 73,838.36, 101,896.44 and 40,304.36
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Solution
The fourth proportional to 73,838.36, 101,896.44 and 40,304.36 is: 55,619.75
Step by Step Solution
- Step 1: Write the proportion equation
73,838.36 : 101,896.44 = 40,304.36 : x - Step 2: Convert to fraction form
73,838.36/101,896.44 = 40,304.36/x - Step 3: Cross multiply
73,838.36x = 101,896.44 × 40,304.36 - Step 4: Simplify right side
73,838.36x = 4,106,870,800.48 - Step 5: Solve for x
x = 4,106,870,800.48/73,838.36 - Step 6: Final answer
x = 55,619.75
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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.