Finding the Fourth Proportional to 84,474.56, 116,587.26 and 48,657.68
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Solution
The fourth proportional to 84,474.56, 116,587.26 and 48,657.68 is: 67,154.72
Step by Step Solution
- Step 1: Write the proportion equation
84,474.56 : 116,587.26 = 48,657.68 : x - Step 2: Convert to fraction form
84,474.56/116,587.26 = 48,657.68/x - Step 3: Cross multiply
84,474.56x = 116,587.26 × 48,657.68 - Step 4: Simplify right side
84,474.56x = 5,672,865,589.16 - Step 5: Solve for x
x = 5,672,865,589.16/84,474.56 - Step 6: Final answer
x = 67,154.72
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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.