Finding the Fourth Proportional to 115,881.22, 173,856.84 and 48,446.02
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Solution
The fourth proportional to 115,881.22, 173,856.84 and 48,446.02 is: 72,683.67
Step by Step Solution
- Step 1: Write the proportion equation
115,881.22 : 173,856.84 = 48,446.02 : x - Step 2: Convert to fraction form
115,881.22/173,856.84 = 48,446.02/x - Step 3: Cross multiply
115,881.22x = 173,856.84 × 48,446.02 - Step 4: Simplify right side
115,881.22x = 8,422,671,947.78 - Step 5: Solve for x
x = 8,422,671,947.78/115,881.22 - Step 6: Final answer
x = 72,683.67
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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.