Finding the Fourth Proportional to 91,486.07, 126,256.33 and 51,198.99
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Solution
The fourth proportional to 91,486.07, 126,256.33 and 51,198.99 is: 70,657.72
Step by Step Solution
- Step 1: Write the proportion equation
91,486.07 : 126,256.33 = 51,198.99 : x - Step 2: Convert to fraction form
91,486.07/126,256.33 = 51,198.99/x - Step 3: Cross multiply
91,486.07x = 126,256.33 × 51,198.99 - Step 4: Simplify right side
91,486.07x = 6,464,196,577.11 - Step 5: Solve for x
x = 6,464,196,577.11/91,486.07 - Step 6: Final answer
x = 70,657.72
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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.