Finding the Fourth Proportional to 96,716.64, 133,434.74 and 63,202.08
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Solution
The fourth proportional to 96,716.64, 133,434.74 and 63,202.08 is: 87,196.51
Step by Step Solution
- Step 1: Write the proportion equation
96,716.64 : 133,434.74 = 63,202.08 : x - Step 2: Convert to fraction form
96,716.64/133,434.74 = 63,202.08/x - Step 3: Cross multiply
96,716.64x = 133,434.74 × 63,202.08 - Step 4: Simplify right side
96,716.64x = 8,433,353,112.26 - Step 5: Solve for x
x = 8,433,353,112.26/96,716.64 - Step 6: Final answer
x = 87,196.51
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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.