Finding the Fourth Proportional to 96,816.18, 145,281.11 and 40,651.97
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Solution
The fourth proportional to 96,816.18, 145,281.11 and 40,651.97 is: 61,001.82
Step by Step Solution
- Step 1: Write the proportion equation
96,816.18 : 145,281.11 = 40,651.97 : x - Step 2: Convert to fraction form
96,816.18/145,281.11 = 40,651.97/x - Step 3: Cross multiply
96,816.18x = 145,281.11 × 40,651.97 - Step 4: Simplify right side
96,816.18x = 5,905,962,860.45 - Step 5: Solve for x
x = 5,905,962,860.45/96,816.18 - Step 6: Final answer
x = 61,001.82
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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.