Finding the Fourth Proportional to 84,046.14, 115,984.17 and 48,235.23
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Solution
The fourth proportional to 84,046.14, 115,984.17 and 48,235.23 is: 66,564.90
Step by Step Solution
- Step 1: Write the proportion equation
84,046.14 : 115,984.17 = 48,235.23 : x - Step 2: Convert to fraction form
84,046.14/115,984.17 = 48,235.23/x - Step 3: Cross multiply
84,046.14x = 115,984.17 × 48,235.23 - Step 4: Simplify right side
84,046.14x = 5,594,523,116.31 - Step 5: Solve for x
x = 5,594,523,116.31/84,046.14 - Step 6: Final answer
x = 66,564.90
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1.5x scale
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.