Finding the Fourth Proportional to 84,691.84, 116,871.92 and 46,968.88
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Solution
The fourth proportional to 84,691.84, 116,871.92 and 46,968.88 is: 64,815.49
Step by Step Solution
- Step 1: Write the proportion equation
84,691.84 : 116,871.92 = 46,968.88 : x - Step 2: Convert to fraction form
84,691.84/116,871.92 = 46,968.88/x - Step 3: Cross multiply
84,691.84x = 116,871.92 × 46,968.88 - Step 4: Simplify right side
84,691.84x = 5,489,343,185.85 - Step 5: Solve for x
x = 5,489,343,185.85/84,691.84 - Step 6: Final answer
x = 64,815.49
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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.