Finding the Fourth Proportional to 96,617.81, 133,307.33 and 55,771.94
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Solution
The fourth proportional to 96,617.81, 133,307.33 and 55,771.94 is: 76,950.70
Step by Step Solution
- Step 1: Write the proportion equation
96,617.81 : 133,307.33 = 55,771.94 : x - Step 2: Convert to fraction form
96,617.81/133,307.33 = 55,771.94/x - Step 3: Cross multiply
96,617.81x = 133,307.33 × 55,771.94 - Step 4: Simplify right side
96,617.81x = 7,434,807,464.92 - Step 5: Solve for x
x = 7,434,807,464.92/96,617.81 - Step 6: Final answer
x = 76,950.70
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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.