Finding the Fourth Proportional to 75,252.81, 103,847.36 and 41,718.81
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Solution
The fourth proportional to 75,252.81, 103,847.36 and 41,718.81 is: 57,571.11
Step by Step Solution
- Step 1: Write the proportion equation
75,252.81 : 103,847.36 = 41,718.81 : x - Step 2: Convert to fraction form
75,252.81/103,847.36 = 41,718.81/x - Step 3: Cross multiply
75,252.81x = 103,847.36 × 41,718.81 - Step 4: Simplify right side
75,252.81x = 4,332,388,072.25 - Step 5: Solve for x
x = 4,332,388,072.25/75,252.81 - Step 6: Final answer
x = 57,571.11
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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.