Finding the Fourth Proportional to 75,494.07, 113,278.01 and 53,449.11
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Solution
The fourth proportional to 75,494.07, 113,278.01 and 53,449.11 is: 80,199.79
Step by Step Solution
- Step 1: Write the proportion equation
75,494.07 : 113,278.01 = 53,449.11 : x - Step 2: Convert to fraction form
75,494.07/113,278.01 = 53,449.11/x - Step 3: Cross multiply
75,494.07x = 113,278.01 × 53,449.11 - Step 4: Simplify right side
75,494.07x = 6,054,608,549.83 - Step 5: Solve for x
x = 6,054,608,549.83/75,494.07 - Step 6: Final answer
x = 80,199.79
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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.