Finding the Fourth Proportional to 88,279.39, 121,826.58 and 47,992.26
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Solution
The fourth proportional to 88,279.39, 121,826.58 and 47,992.26 is: 66,229.88
Step by Step Solution
- Step 1: Write the proportion equation
88,279.39 : 121,826.58 = 47,992.26 : x - Step 2: Convert to fraction form
88,279.39/121,826.58 = 47,992.26/x - Step 3: Cross multiply
88,279.39x = 121,826.58 × 47,992.26 - Step 4: Simplify right side
88,279.39x = 5,846,733,449.11 - Step 5: Solve for x
x = 5,846,733,449.11/88,279.39 - Step 6: Final answer
x = 66,229.88
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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.