Finding the Fourth Proportional to 74,821.24, 112,231.97 and 59,923.09
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Solution
The fourth proportional to 74,821.24, 112,231.97 and 59,923.09 is: 89,884.72
Step by Step Solution
- Step 1: Write the proportion equation
74,821.24 : 112,231.97 = 59,923.09 : x - Step 2: Convert to fraction form
74,821.24/112,231.97 = 59,923.09/x - Step 3: Cross multiply
74,821.24x = 112,231.97 × 59,923.09 - Step 4: Simplify right side
74,821.24x = 6,725,285,578.41 - Step 5: Solve for x
x = 6,725,285,578.41/74,821.24 - Step 6: Final answer
x = 89,884.72
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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.