Finding the Fourth Proportional to 89,160.39, 133,758.09 and 33,000.99
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Solution
The fourth proportional to 89,160.39, 133,758.09 and 33,000.99 is: 49,507.96
Step by Step Solution
- Step 1: Write the proportion equation
89,160.39 : 133,758.09 = 33,000.99 : x - Step 2: Convert to fraction form
89,160.39/133,758.09 = 33,000.99/x - Step 3: Cross multiply
89,160.39x = 133,758.09 × 33,000.99 - Step 4: Simplify right side
89,160.39x = 4,414,149,390.51 - Step 5: Solve for x
x = 4,414,149,390.51/89,160.39 - Step 6: Final answer
x = 49,507.96
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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.