Finding the Fourth Proportional to 84,392.42, 116,490.86 and 48,596.70
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Solution
The fourth proportional to 84,392.42, 116,490.86 and 48,596.70 is: 67,080.33
Step by Step Solution
- Step 1: Write the proportion equation
84,392.42 : 116,490.86 = 48,596.70 : x - Step 2: Convert to fraction form
84,392.42/116,490.86 = 48,596.70/x - Step 3: Cross multiply
84,392.42x = 116,490.86 × 48,596.70 - Step 4: Simplify right side
84,392.42x = 5,661,071,376.16 - Step 5: Solve for x
x = 5,661,071,376.16/84,392.42 - Step 6: Final answer
x = 67,080.33
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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.