Finding the Fourth Proportional to 88,331.14, 121,896.81 and 48,044.98
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Solution
The fourth proportional to 88,331.14, 121,896.81 and 48,044.98 is: 66,301.98
Step by Step Solution
- Step 1: Write the proportion equation
88,331.14 : 121,896.81 = 48,044.98 : x - Step 2: Convert to fraction form
88,331.14/121,896.81 = 48,044.98/x - Step 3: Cross multiply
88,331.14x = 121,896.81 × 48,044.98 - Step 4: Simplify right side
88,331.14x = 5,856,529,798.51 - Step 5: Solve for x
x = 5,856,529,798.51/88,331.14 - Step 6: Final answer
x = 66,301.98
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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.