Finding the Fourth Proportional to 70,789.06, 106,183.48 and 48,534.97
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Solution
The fourth proportional to 70,789.06, 106,183.48 and 48,534.97 is: 72,802.38
Step by Step Solution
- Step 1: Write the proportion equation
70,789.06 : 106,183.48 = 48,534.97 : x - Step 2: Convert to fraction form
70,789.06/106,183.48 = 48,534.97/x - Step 3: Cross multiply
70,789.06x = 106,183.48 × 48,534.97 - Step 4: Simplify right side
70,789.06x = 5,153,612,016.30 - Step 5: Solve for x
x = 5,153,612,016.30/70,789.06 - Step 6: Final answer
x = 72,802.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.