Finding the Fourth Proportional to 89,267.43, 133,900.99 and 36,639.84
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Solution
The fourth proportional to 89,267.43, 133,900.99 and 36,639.84 is: 54,959.70
Step by Step Solution
- Step 1: Write the proportion equation
89,267.43 : 133,900.99 = 36,639.84 : x - Step 2: Convert to fraction form
89,267.43/133,900.99 = 36,639.84/x - Step 3: Cross multiply
89,267.43x = 133,900.99 × 36,639.84 - Step 4: Simplify right side
89,267.43x = 4,906,110,849.44 - Step 5: Solve for x
x = 4,906,110,849.44/89,267.43 - Step 6: Final answer
x = 54,959.70
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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.