Finding the Fourth Proportional to 89,027.02, 122,857.65 and 48,744.53
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Solution
The fourth proportional to 89,027.02, 122,857.65 and 48,744.53 is: 67,267.65
Step by Step Solution
- Step 1: Write the proportion equation
89,027.02 : 122,857.65 = 48,744.53 : x - Step 2: Convert to fraction form
89,027.02/122,857.65 = 48,744.53/x - Step 3: Cross multiply
89,027.02x = 122,857.65 × 48,744.53 - Step 4: Simplify right side
89,027.02x = 5,988,638,713.30 - Step 5: Solve for x
x = 5,988,638,713.30/89,027.02 - Step 6: Final answer
x = 67,267.65
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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.