Finding the Fourth Proportional to 96,706.68, 133,451.73 and 53,688.03
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Solution
The fourth proportional to 96,706.68, 133,451.73 and 53,688.03 is: 74,087.54
Step by Step Solution
- Step 1: Write the proportion equation
96,706.68 : 133,451.73 = 53,688.03 : x - Step 2: Convert to fraction form
96,706.68/133,451.73 = 53,688.03/x - Step 3: Cross multiply
96,706.68x = 133,451.73 × 53,688.03 - Step 4: Simplify right side
96,706.68x = 7,164,760,483.79 - Step 5: Solve for x
x = 7,164,760,483.79/96,706.68 - Step 6: Final answer
x = 74,087.54
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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.