Finding the Fourth Proportional to 89,073.05, 122,921.01 and 48,237.66
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Solution
The fourth proportional to 89,073.05, 122,921.01 and 48,237.66 is: 66,568.08
Step by Step Solution
- Step 1: Write the proportion equation
89,073.05 : 122,921.01 = 48,237.66 : x - Step 2: Convert to fraction form
89,073.05/122,921.01 = 48,237.66/x - Step 3: Cross multiply
89,073.05x = 122,921.01 × 48,237.66 - Step 4: Simplify right side
89,073.05x = 5,929,421,887.24 - Step 5: Solve for x
x = 5,929,421,887.24/89,073.05 - Step 6: Final answer
x = 66,568.08
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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.