Finding the Fourth Proportional to 96,884.20, 133,703.58 and 54,441.88
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Solution
The fourth proportional to 96,884.20, 133,703.58 and 54,441.88 is: 75,131.70
Step by Step Solution
- Step 1: Write the proportion equation
96,884.20 : 133,703.58 = 54,441.88 : x - Step 2: Convert to fraction form
96,884.20/133,703.58 = 54,441.88/x - Step 3: Cross multiply
96,884.20x = 133,703.58 × 54,441.88 - Step 4: Simplify right side
96,884.20x = 7,279,074,257.93 - Step 5: Solve for x
x = 7,279,074,257.93/96,884.20 - Step 6: Final answer
x = 75,131.70
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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.