Finding the Fourth Proportional to 75,529.68, 113,216.76 and 40,459.92
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Solution
The fourth proportional to 75,529.68, 113,216.76 and 40,459.92 is: 60,648.23
Step by Step Solution
- Step 1: Write the proportion equation
75,529.68 : 113,216.76 = 40,459.92 : x - Step 2: Convert to fraction form
75,529.68/113,216.76 = 40,459.92/x - Step 3: Cross multiply
75,529.68x = 113,216.76 × 40,459.92 - Step 4: Simplify right side
75,529.68x = 4,580,741,052.26 - Step 5: Solve for x
x = 4,580,741,052.26/75,529.68 - Step 6: Final answer
x = 60,648.23
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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.