Finding the Fourth Proportional to 84,292.41, 126,456.84 and 44,843.79
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Solution
The fourth proportional to 84,292.41, 126,456.84 and 44,843.79 is: 67,275.38
Step by Step Solution
- Step 1: Write the proportion equation
84,292.41 : 126,456.84 = 44,843.79 : x - Step 2: Convert to fraction form
84,292.41/126,456.84 = 44,843.79/x - Step 3: Cross multiply
84,292.41x = 126,456.84 × 44,843.79 - Step 4: Simplify right side
84,292.41x = 5,670,803,977.02 - Step 5: Solve for x
x = 5,670,803,977.02/84,292.41 - Step 6: Final answer
x = 67,275.38
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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.