Finding the Fourth Proportional to 89,057.48, 122,894.68 and 48,763.52
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Solution
The fourth proportional to 89,057.48, 122,894.68 and 48,763.52 is: 67,291.12
Step by Step Solution
- Step 1: Write the proportion equation
89,057.48 : 122,894.68 = 48,763.52 : x - Step 2: Convert to fraction form
89,057.48/122,894.68 = 48,763.52/x - Step 3: Cross multiply
89,057.48x = 122,894.68 × 48,763.52 - Step 4: Simplify right side
89,057.48x = 5,992,777,186.07 - Step 5: Solve for x
x = 5,992,777,186.07/89,057.48 - Step 6: Final answer
x = 67,291.12
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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.