Finding the Fourth Proportional to 75,708.40, 104,479.97 and 43,448.92
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Solution
The fourth proportional to 75,708.40, 104,479.97 and 43,448.92 is: 59,960.87
Step by Step Solution
- Step 1: Write the proportion equation
75,708.40 : 104,479.97 = 43,448.92 : x - Step 2: Convert to fraction form
75,708.40/104,479.97 = 43,448.92/x - Step 3: Cross multiply
75,708.40x = 104,479.97 × 43,448.92 - Step 4: Simplify right side
75,708.40x = 4,539,541,858.13 - Step 5: Solve for x
x = 4,539,541,858.13/75,708.40 - Step 6: Final answer
x = 59,960.87
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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.