Finding the Fourth Proportional to 97,791.18, 134,960.46 and 54,770.02
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Solution
The fourth proportional to 97,791.18, 134,960.46 and 54,770.02 is: 75,587.46
Step by Step Solution
- Step 1: Write the proportion equation
97,791.18 : 134,960.46 = 54,770.02 : x - Step 2: Convert to fraction form
97,791.18/134,960.46 = 54,770.02/x - Step 3: Cross multiply
97,791.18x = 134,960.46 × 54,770.02 - Step 4: Simplify right side
97,791.18x = 7,391,787,093.41 - Step 5: Solve for x
x = 7,391,787,093.41/97,791.18 - Step 6: Final answer
x = 75,587.46
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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.