Finding the Fourth Proportional to 96,742.36, 133,497.14 and 54,292.69
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Solution
The fourth proportional to 96,742.36, 133,497.14 and 54,292.69 is: 74,919.80
Step by Step Solution
- Step 1: Write the proportion equation
96,742.36 : 133,497.14 = 54,292.69 : x - Step 2: Convert to fraction form
96,742.36/133,497.14 = 54,292.69/x - Step 3: Cross multiply
96,742.36x = 133,497.14 × 54,292.69 - Step 4: Simplify right side
96,742.36x = 7,247,918,232.70 - Step 5: Solve for x
x = 7,247,918,232.70/96,742.36 - Step 6: Final answer
x = 74,919.80
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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.