Finding the Fourth Proportional to 88,335.88, 121,902.66 and 50,102.44
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Solution
The fourth proportional to 88,335.88, 121,902.66 and 50,102.44 is: 69,140.88
Step by Step Solution
- Step 1: Write the proportion equation
88,335.88 : 121,902.66 = 50,102.44 : x - Step 2: Convert to fraction form
88,335.88/121,902.66 = 50,102.44/x - Step 3: Cross multiply
88,335.88x = 121,902.66 × 50,102.44 - Step 4: Simplify right side
88,335.88x = 6,107,620,708.49 - Step 5: Solve for x
x = 6,107,620,708.49/88,335.88 - Step 6: Final answer
x = 69,140.88
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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.