Finding the Fourth Proportional to 93,939.09, 129,638.93 and 51,497.25
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Solution
The fourth proportional to 93,939.09, 129,638.93 and 51,497.25 is: 71,067.84
Step by Step Solution
- Step 1: Write the proportion equation
93,939.09 : 129,638.93 = 51,497.25 : x - Step 2: Convert to fraction form
93,939.09/129,638.93 = 51,497.25/x - Step 3: Cross multiply
93,939.09x = 129,638.93 × 51,497.25 - Step 4: Simplify right side
93,939.09x = 6,676,048,387.94 - Step 5: Solve for x
x = 6,676,048,387.94/93,939.09 - Step 6: Final answer
x = 71,067.84
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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.