Finding the Fourth Proportional to 88,391.25, 121,977.58 and 48,104.14
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Solution
The fourth proportional to 88,391.25, 121,977.58 and 48,104.14 is: 66,382.44
Step by Step Solution
- Step 1: Write the proportion equation
88,391.25 : 121,977.58 = 48,104.14 : x - Step 2: Convert to fraction form
88,391.25/121,977.58 = 48,104.14/x - Step 3: Cross multiply
88,391.25x = 121,977.58 × 48,104.14 - Step 4: Simplify right side
88,391.25x = 5,867,626,585.18 - Step 5: Solve for x
x = 5,867,626,585.18/88,391.25 - Step 6: Final answer
x = 66,382.44
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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.