Finding the Fourth Proportional to 91,598.62, 126,467.81 and 57,195.75
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Solution
The fourth proportional to 91,598.62, 126,467.81 and 57,195.75 is: 78,968.66
Step by Step Solution
- Step 1: Write the proportion equation
91,598.62 : 126,467.81 = 57,195.75 : x - Step 2: Convert to fraction form
91,598.62/126,467.81 = 57,195.75/x - Step 3: Cross multiply
91,598.62x = 126,467.81 × 57,195.75 - Step 4: Simplify right side
91,598.62x = 7,233,420,418.63 - Step 5: Solve for x
x = 7,233,420,418.63/91,598.62 - Step 6: Final answer
x = 78,968.66
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1.5x scale
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.