Finding the Fourth Proportional to 88,347.66, 121,879.62 and 52,517.31
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Solution
The fourth proportional to 88,347.66, 121,879.62 and 52,517.31 is: 72,450.02
Step by Step Solution
- Step 1: Write the proportion equation
88,347.66 : 121,879.62 = 52,517.31 : x - Step 2: Convert to fraction form
88,347.66/121,879.62 = 52,517.31/x - Step 3: Cross multiply
88,347.66x = 121,879.62 × 52,517.31 - Step 4: Simplify right side
88,347.66x = 6,400,789,786.22 - Step 5: Solve for x
x = 6,400,789,786.22/88,347.66 - Step 6: Final answer
x = 72,450.02
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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.