Finding the Fourth Proportional to 91,546.48, 126,312.36 and 55,736.08
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Solution
The fourth proportional to 91,546.48, 126,312.36 and 55,736.08 is: 76,902.53
Step by Step Solution
- Step 1: Write the proportion equation
91,546.48 : 126,312.36 = 55,736.08 : x - Step 2: Convert to fraction form
91,546.48/126,312.36 = 55,736.08/x - Step 3: Cross multiply
91,546.48x = 126,312.36 × 55,736.08 - Step 4: Simplify right side
91,546.48x = 7,040,155,801.95 - Step 5: Solve for x
x = 7,040,155,801.95/91,546.48 - Step 6: Final answer
x = 76,902.53
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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.