Finding the Fourth Proportional to 96,838.63, 133,644.12 and 54,397.19
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Solution
The fourth proportional to 96,838.63, 133,644.12 and 54,397.19 is: 75,071.95
Step by Step Solution
- Step 1: Write the proportion equation
96,838.63 : 133,644.12 = 54,397.19 : x - Step 2: Convert to fraction form
96,838.63/133,644.12 = 54,397.19/x - Step 3: Cross multiply
96,838.63x = 133,644.12 × 54,397.19 - Step 4: Simplify right side
96,838.63x = 7,269,864,588.02 - Step 5: Solve for x
x = 7,269,864,588.02/96,838.63 - Step 6: Final answer
x = 75,071.95
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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.