Finding the Fourth Proportional to 81,604.84, 122,275.74 and 50,374.12
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Solution
The fourth proportional to 81,604.84, 122,275.74 and 50,374.12 is: 75,479.99
Step by Step Solution
- Step 1: Write the proportion equation
81,604.84 : 122,275.74 = 50,374.12 : x - Step 2: Convert to fraction form
81,604.84/122,275.74 = 50,374.12/x - Step 3: Cross multiply
81,604.84x = 122,275.74 × 50,374.12 - Step 4: Simplify right side
81,604.84x = 6,159,532,799.85 - Step 5: Solve for x
x = 6,159,532,799.85/81,604.84 - Step 6: Final answer
x = 75,479.99
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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.