Finding the Fourth Proportional to 91,194.99, 125,851.22 and 57,204.92
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Solution
The fourth proportional to 91,194.99, 125,851.22 and 57,204.92 is: 78,944.12
Step by Step Solution
- Step 1: Write the proportion equation
91,194.99 : 125,851.22 = 57,204.92 : x - Step 2: Convert to fraction form
91,194.99/125,851.22 = 57,204.92/x - Step 3: Cross multiply
91,194.99x = 125,851.22 × 57,204.92 - Step 4: Simplify right side
91,194.99x = 7,199,308,056.72 - Step 5: Solve for x
x = 7,199,308,056.72/91,194.99 - Step 6: Final answer
x = 78,944.12
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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.