Finding the Fourth Proportional to 88,790.49, 122,530.14 and 48,504.26
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Solution
The fourth proportional to 88,790.49, 122,530.14 and 48,504.26 is: 66,935.48
Step by Step Solution
- Step 1: Write the proportion equation
88,790.49 : 122,530.14 = 48,504.26 : x - Step 2: Convert to fraction form
88,790.49/122,530.14 = 48,504.26/x - Step 3: Cross multiply
88,790.49x = 122,530.14 × 48,504.26 - Step 4: Simplify right side
88,790.49x = 5,943,234,074.72 - Step 5: Solve for x
x = 5,943,234,074.72/88,790.49 - Step 6: Final answer
x = 66,935.48
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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.