Finding the Fourth Proportional to 96,839.63, 133,645.50 and 54,398.19
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Solution
The fourth proportional to 96,839.63, 133,645.50 and 54,398.19 is: 75,073.33
Step by Step Solution
- Step 1: Write the proportion equation
96,839.63 : 133,645.50 = 54,398.19 : x - Step 2: Convert to fraction form
96,839.63/133,645.50 = 54,398.19/x - Step 3: Cross multiply
96,839.63x = 133,645.50 × 54,398.19 - Step 4: Simplify right side
96,839.63x = 7,270,073,301.65 - Step 5: Solve for x
x = 7,270,073,301.65/96,839.63 - Step 6: Final answer
x = 75,073.33
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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.