Finding the Fourth Proportional to 93,553.99, 129,241.11 and 80,956.87
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Solution
The fourth proportional to 93,553.99, 129,241.11 and 80,956.87 is: 111,838.69
Step by Step Solution
- Step 1: Write the proportion equation
93,553.99 : 129,241.11 = 80,956.87 : x - Step 2: Convert to fraction form
93,553.99/129,241.11 = 80,956.87/x - Step 3: Cross multiply
93,553.99x = 129,241.11 × 80,956.87 - Step 4: Simplify right side
93,553.99x = 10,462,955,740.93 - Step 5: Solve for x
x = 10,462,955,740.93/93,553.99 - Step 6: Final answer
x = 111,838.69
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1.5x scale
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.