Finding the Fourth Proportional to 88,329.98, 121,896.94 and 48,044.62
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Solution
The fourth proportional to 88,329.98, 121,896.94 and 48,044.62 is: 66,302.43
Step by Step Solution
- Step 1: Write the proportion equation
88,329.98 : 121,896.94 = 48,044.62 : x - Step 2: Convert to fraction form
88,329.98/121,896.94 = 48,044.62/x - Step 3: Cross multiply
88,329.98x = 121,896.94 × 48,044.62 - Step 4: Simplify right side
88,329.98x = 5,856,492,161.46 - Step 5: Solve for x
x = 5,856,492,161.46/88,329.98 - Step 6: Final answer
x = 66,302.43
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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.