Finding the Fourth Proportional to 88,313.51, 121,872.05 and 48,027.17
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Solution
The fourth proportional to 88,313.51, 121,872.05 and 48,027.17 is: 66,277.17
Step by Step Solution
- Step 1: Write the proportion equation
88,313.51 : 121,872.05 = 48,027.17 : x - Step 2: Convert to fraction form
88,313.51/121,872.05 = 48,027.17/x - Step 3: Cross multiply
88,313.51x = 121,872.05 × 48,027.17 - Step 4: Simplify right side
88,313.51x = 5,853,169,663.60 - Step 5: Solve for x
x = 5,853,169,663.60/88,313.51 - Step 6: Final answer
x = 66,277.17
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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.