Finding the Fourth Proportional to 89,882.36, 124,037.51 and 49,596.09
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Solution
The fourth proportional to 89,882.36, 124,037.51 and 49,596.09 is: 68,442.52
Step by Step Solution
- Step 1: Write the proportion equation
89,882.36 : 124,037.51 = 49,596.09 : x - Step 2: Convert to fraction form
89,882.36/124,037.51 = 49,596.09/x - Step 3: Cross multiply
89,882.36x = 124,037.51 × 49,596.09 - Step 4: Simplify right side
89,882.36x = 6,151,775,121.78 - Step 5: Solve for x
x = 6,151,775,121.78/89,882.36 - Step 6: Final answer
x = 68,442.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.