Finding the Fourth Proportional to 96,742.14, 133,265.82 and 82,355.59
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Solution
The fourth proportional to 96,742.14, 133,265.82 and 82,355.59 is: 113,447.82
Step by Step Solution
- Step 1: Write the proportion equation
96,742.14 : 133,265.82 = 82,355.59 : x - Step 2: Convert to fraction form
96,742.14/133,265.82 = 82,355.59/x - Step 3: Cross multiply
96,742.14x = 133,265.82 × 82,355.59 - Step 4: Simplify right side
96,742.14x = 10,975,185,232.93 - Step 5: Solve for x
x = 10,975,185,232.93/96,742.14 - Step 6: Final answer
x = 113,447.82
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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.