Finding the Fourth Proportional to 96,438.24, 133,083.30 and 53,998.29
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Solution
The fourth proportional to 96,438.24, 133,083.30 and 53,998.29 is: 74,516.82
Step by Step Solution
- Step 1: Write the proportion equation
96,438.24 : 133,083.30 = 53,998.29 : x - Step 2: Convert to fraction form
96,438.24/133,083.30 = 53,998.29/x - Step 3: Cross multiply
96,438.24x = 133,083.30 × 53,998.29 - Step 4: Simplify right side
96,438.24x = 7,186,270,627.56 - Step 5: Solve for x
x = 7,186,270,627.56/96,438.24 - Step 6: Final answer
x = 74,516.82
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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.