Finding the Fourth Proportional to 96,455.05, 133,107.84 and 54,013.90
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Solution
The fourth proportional to 96,455.05, 133,107.84 and 54,013.90 is: 74,539.11
Step by Step Solution
- Step 1: Write the proportion equation
96,455.05 : 133,107.84 = 54,013.90 : x - Step 2: Convert to fraction form
96,455.05/133,107.84 = 54,013.90/x - Step 3: Cross multiply
96,455.05x = 133,107.84 × 54,013.90 - Step 4: Simplify right side
96,455.05x = 7,189,673,558.98 - Step 5: Solve for x
x = 7,189,673,558.98/96,455.05 - Step 6: Final answer
x = 74,539.11
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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.