Finding the Fourth Proportional to 93,286.93, 128,738.97 and 52,999.96
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Solution
The fourth proportional to 93,286.93, 128,738.97 and 52,999.96 is: 73,141.65
Step by Step Solution
- Step 1: Write the proportion equation
93,286.93 : 128,738.97 = 52,999.96 : x - Step 2: Convert to fraction form
93,286.93/128,738.97 = 52,999.96/x - Step 3: Cross multiply
93,286.93x = 128,738.97 × 52,999.96 - Step 4: Simplify right side
93,286.93x = 6,823,160,260.44 - Step 5: Solve for x
x = 6,823,160,260.44/93,286.93 - Step 6: Final answer
x = 73,141.65
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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.