Finding the Fourth Proportional to 96,951.42, 133,791.18 and 53,930.70
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Solution
The fourth proportional to 96,951.42, 133,791.18 and 53,930.70 is: 74,423.38
Step by Step Solution
- Step 1: Write the proportion equation
96,951.42 : 133,791.18 = 53,930.70 : x - Step 2: Convert to fraction form
96,951.42/133,791.18 = 53,930.70/x - Step 3: Cross multiply
96,951.42x = 133,791.18 × 53,930.70 - Step 4: Simplify right side
96,951.42x = 7,215,451,991.23 - Step 5: Solve for x
x = 7,215,451,991.23/96,951.42 - Step 6: Final answer
x = 74,423.38
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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.