Finding the Fourth Proportional to 97,861.49, 135,049.37 and 54,841.08
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Solution
The fourth proportional to 97,861.49, 135,049.37 and 54,841.08 is: 75,680.98
Step by Step Solution
- Step 1: Write the proportion equation
97,861.49 : 135,049.37 = 54,841.08 : x - Step 2: Convert to fraction form
97,861.49/135,049.37 = 54,841.08/x - Step 3: Cross multiply
97,861.49x = 135,049.37 × 54,841.08 - Step 4: Simplify right side
97,861.49x = 7,406,253,304.12 - Step 5: Solve for x
x = 7,406,253,304.12/97,861.49 - Step 6: Final answer
x = 75,680.98
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1.5x scale
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.