Finding the Fourth Proportional to 88,331.49, 121,896.44 and 48,044.39
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Solution
The fourth proportional to 88,331.49, 121,896.44 and 48,044.39 is: 66,300.70
Step by Step Solution
- Step 1: Write the proportion equation
88,331.49 : 121,896.44 = 48,044.39 : x - Step 2: Convert to fraction form
88,331.49/121,896.44 = 48,044.39/x - Step 3: Cross multiply
88,331.49x = 121,896.44 × 48,044.39 - Step 4: Simplify right side
88,331.49x = 5,856,439,253.27 - Step 5: Solve for x
x = 5,856,439,253.27/88,331.49 - Step 6: Final answer
x = 66,300.70
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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.