Finding the Fourth Proportional to 96,684.52, 133,432.68 and 53,668.06
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Solution
The fourth proportional to 96,684.52, 133,432.68 and 53,668.06 is: 74,066.39
Step by Step Solution
- Step 1: Write the proportion equation
96,684.52 : 133,432.68 = 53,668.06 : x - Step 2: Convert to fraction form
96,684.52/133,432.68 = 53,668.06/x - Step 3: Cross multiply
96,684.52x = 133,432.68 × 53,668.06 - Step 4: Simplify right side
96,684.52x = 7,161,073,076.20 - Step 5: Solve for x
x = 7,161,073,076.20/96,684.52 - Step 6: Final answer
x = 74,066.39
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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.