Finding the Fourth Proportional to 96,725.10, 133,480.68 and 54,283.62
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Solution
The fourth proportional to 96,725.10, 133,480.68 and 54,283.62 is: 74,911.42
Step by Step Solution
- Step 1: Write the proportion equation
96,725.10 : 133,480.68 = 54,283.62 : x - Step 2: Convert to fraction form
96,725.10/133,480.68 = 54,283.62/x - Step 3: Cross multiply
96,725.10x = 133,480.68 × 54,283.62 - Step 4: Simplify right side
96,725.10x = 7,245,814,510.46 - Step 5: Solve for x
x = 7,245,814,510.46/96,725.10 - Step 6: Final answer
x = 74,911.42
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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.