Finding the Fourth Proportional to 96,707.05, 133,453.61 and 53,684.07
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Solution
The fourth proportional to 96,707.05, 133,453.61 and 53,684.07 is: 74,082.84
Step by Step Solution
- Step 1: Write the proportion equation
96,707.05 : 133,453.61 = 53,684.07 : x - Step 2: Convert to fraction form
96,707.05/133,453.61 = 53,684.07/x - Step 3: Cross multiply
96,707.05x = 133,453.61 × 53,684.07 - Step 4: Simplify right side
96,707.05x = 7,164,332,373.44 - Step 5: Solve for x
x = 7,164,332,373.44/96,707.05 - Step 6: Final answer
x = 74,082.84
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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.