Finding the Fourth Proportional to 96,475.68, 133,138.80 and 54,042.84
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Solution
The fourth proportional to 96,475.68, 133,138.80 and 54,042.84 is: 74,580.44
Step by Step Solution
- Step 1: Write the proportion equation
96,475.68 : 133,138.80 = 54,042.84 : x - Step 2: Convert to fraction form
96,475.68/133,138.80 = 54,042.84/x - Step 3: Cross multiply
96,475.68x = 133,138.80 × 54,042.84 - Step 4: Simplify right side
96,475.68x = 7,195,198,866.19 - Step 5: Solve for x
x = 7,195,198,866.19/96,475.68 - Step 6: Final answer
x = 74,580.44
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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.