Finding the Fourth Proportional to 84,336.87, 116,384.68 and 48,038.31
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Solution
The fourth proportional to 84,336.87, 116,384.68 and 48,038.31 is: 66,292.75
Step by Step Solution
- Step 1: Write the proportion equation
84,336.87 : 116,384.68 = 48,038.31 : x - Step 2: Convert to fraction form
84,336.87/116,384.68 = 48,038.31/x - Step 3: Cross multiply
84,336.87x = 116,384.68 × 48,038.31 - Step 4: Simplify right side
84,336.87x = 5,590,923,397.14 - Step 5: Solve for x
x = 5,590,923,397.14/84,336.87 - Step 6: Final answer
x = 66,292.75
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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.