Finding the Fourth Proportional to 96,409.48, 144,425.88 and 66,418.42
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Solution
The fourth proportional to 96,409.48, 144,425.88 and 66,418.42 is: 99,497.88
Step by Step Solution
- Step 1: Write the proportion equation
96,409.48 : 144,425.88 = 66,418.42 : x - Step 2: Convert to fraction form
96,409.48/144,425.88 = 66,418.42/x - Step 3: Cross multiply
96,409.48x = 144,425.88 × 66,418.42 - Step 4: Simplify right side
96,409.48x = 9,592,538,756.71 - Step 5: Solve for x
x = 9,592,538,756.71/96,409.48 - Step 6: Final answer
x = 99,497.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.