Finding the Fourth Proportional to 88,335.70, 132,503.55 and 53,343.70
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Solution
The fourth proportional to 88,335.70, 132,503.55 and 53,343.70 is: 80,015.55
Step by Step Solution
- Step 1: Write the proportion equation
88,335.70 : 132,503.55 = 53,343.70 : x - Step 2: Convert to fraction form
88,335.70/132,503.55 = 53,343.70/x - Step 3: Cross multiply
88,335.70x = 132,503.55 × 53,343.70 - Step 4: Simplify right side
88,335.70x = 7,068,229,620.14 - Step 5: Solve for x
x = 7,068,229,620.14/88,335.70 - Step 6: Final answer
x = 80,015.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.