Finding the Fourth Proportional to 91,204.16, 125,839.49 and 53,471.12
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Solution
The fourth proportional to 91,204.16, 125,839.49 and 53,471.12 is: 73,777.09
Step by Step Solution
- Step 1: Write the proportion equation
91,204.16 : 125,839.49 = 53,471.12 : x - Step 2: Convert to fraction form
91,204.16/125,839.49 = 53,471.12/x - Step 3: Cross multiply
91,204.16x = 125,839.49 × 53,471.12 - Step 4: Simplify right side
91,204.16x = 6,728,777,573.98 - Step 5: Solve for x
x = 6,728,777,573.98/91,204.16 - Step 6: Final answer
x = 73,777.09
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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.