Finding the Fourth Proportional to 75,811.11, 104,598.33 and 48,954.75
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Solution
The fourth proportional to 75,811.11, 104,598.33 and 48,954.75 is: 67,543.99
Step by Step Solution
- Step 1: Write the proportion equation
75,811.11 : 104,598.33 = 48,954.75 : x - Step 2: Convert to fraction form
75,811.11/104,598.33 = 48,954.75/x - Step 3: Cross multiply
75,811.11x = 104,598.33 × 48,954.75 - Step 4: Simplify right side
75,811.11x = 5,120,585,095.57 - Step 5: Solve for x
x = 5,120,585,095.57/75,811.11 - Step 6: Final answer
x = 67,543.99
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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.