Finding the Fourth Proportional to 88,226.21, 121,752.62 and 47,940.26
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Solution
The fourth proportional to 88,226.21, 121,752.62 and 47,940.26 is: 66,157.79
Step by Step Solution
- Step 1: Write the proportion equation
88,226.21 : 121,752.62 = 47,940.26 : x - Step 2: Convert to fraction form
88,226.21/121,752.62 = 47,940.26/x - Step 3: Cross multiply
88,226.21x = 121,752.62 × 47,940.26 - Step 4: Simplify right side
88,226.21x = 5,836,851,589.79 - Step 5: Solve for x
x = 5,836,851,589.79/88,226.21 - Step 6: Final answer
x = 66,157.79
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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.