Finding the Fourth Proportional to 102,822.75, 141,914.84 and 58,110.75
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Solution
The fourth proportional to 102,822.75, 141,914.84 and 58,110.75 is: 80,203.82
Step by Step Solution
- Step 1: Write the proportion equation
102,822.75 : 141,914.84 = 58,110.75 : x - Step 2: Convert to fraction form
102,822.75/141,914.84 = 58,110.75/x - Step 3: Cross multiply
102,822.75x = 141,914.84 × 58,110.75 - Step 4: Simplify right side
102,822.75x = 8,246,777,497.98 - Step 5: Solve for x
x = 8,246,777,497.98/102,822.75 - Step 6: Final answer
x = 80,203.82
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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.