Finding the Fourth Proportional to 96,744.24, 133,503.48 and 53,725.68
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Solution
The fourth proportional to 96,744.24, 133,503.48 and 53,725.68 is: 74,139.46
Step by Step Solution
- Step 1: Write the proportion equation
96,744.24 : 133,503.48 = 53,725.68 : x - Step 2: Convert to fraction form
96,744.24/133,503.48 = 53,725.68/x - Step 3: Cross multiply
96,744.24x = 133,503.48 × 53,725.68 - Step 4: Simplify right side
96,744.24x = 7,172,565,245.37 - Step 5: Solve for x
x = 7,172,565,245.37/96,744.24 - Step 6: Final answer
x = 74,139.46
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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.