Finding the Fourth Proportional to 96,716.76, 133,471.76 and 54,277.88
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Solution
The fourth proportional to 96,716.76, 133,471.76 and 54,277.88 is: 74,904.95
Step by Step Solution
- Step 1: Write the proportion equation
96,716.76 : 133,471.76 = 54,277.88 : x - Step 2: Convert to fraction form
96,716.76/133,471.76 = 54,277.88/x - Step 3: Cross multiply
96,716.76x = 133,471.76 × 54,277.88 - Step 4: Simplify right side
96,716.76x = 7,244,564,172.67 - Step 5: Solve for x
x = 7,244,564,172.67/96,716.76 - Step 6: Final answer
x = 74,904.95
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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.