Finding the Fourth Proportional to 96,938.48, 133,787.16 and 54,497.06
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Solution
The fourth proportional to 96,938.48, 133,787.16 and 54,497.06 is: 75,212.72
Step by Step Solution
- Step 1: Write the proportion equation
96,938.48 : 133,787.16 = 54,497.06 : x - Step 2: Convert to fraction form
96,938.48/133,787.16 = 54,497.06/x - Step 3: Cross multiply
96,938.48x = 133,787.16 × 54,497.06 - Step 4: Simplify right side
96,938.48x = 7,291,006,885.75 - Step 5: Solve for x
x = 7,291,006,885.75/96,938.48 - Step 6: Final answer
x = 75,212.72
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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.