Finding the Fourth Proportional to 116,994.75, 175,492.14 and 38,108.99
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Solution
The fourth proportional to 116,994.75, 175,492.14 and 38,108.99 is: 57,163.48
Step by Step Solution
- Step 1: Write the proportion equation
116,994.75 : 175,492.14 = 38,108.99 : x - Step 2: Convert to fraction form
116,994.75/175,492.14 = 38,108.99/x - Step 3: Cross multiply
116,994.75x = 175,492.14 × 38,108.99 - Step 4: Simplify right side
116,994.75x = 6,687,827,330.88 - Step 5: Solve for x
x = 6,687,827,330.88/116,994.75 - Step 6: Final answer
x = 57,163.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.