Finding the Fourth Proportional to 98,770.05, 148,036.66 and 50,689.19
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Solution
The fourth proportional to 98,770.05, 148,036.66 and 50,689.19 is: 75,973.02
Step by Step Solution
- Step 1: Write the proportion equation
98,770.05 : 148,036.66 = 50,689.19 : x - Step 2: Convert to fraction form
98,770.05/148,036.66 = 50,689.19/x - Step 3: Cross multiply
98,770.05x = 148,036.66 × 50,689.19 - Step 4: Simplify right side
98,770.05x = 7,503,858,914.20 - Step 5: Solve for x
x = 7,503,858,914.20/98,770.05 - Step 6: Final answer
x = 75,973.02
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1.5x scale
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.