Finding the Fourth Proportional to 96,657.64, 133,378.58 and 54,207.96
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Solution
The fourth proportional to 96,657.64, 133,378.58 and 54,207.96 is: 74,801.96
Step by Step Solution
- Step 1: Write the proportion equation
96,657.64 : 133,378.58 = 54,207.96 : x - Step 2: Convert to fraction form
96,657.64/133,378.58 = 54,207.96/x - Step 3: Cross multiply
96,657.64x = 133,378.58 × 54,207.96 - Step 4: Simplify right side
96,657.64x = 7,230,180,729.50 - Step 5: Solve for x
x = 7,230,180,729.50/96,657.64 - Step 6: Final answer
x = 74,801.96
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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.