Finding the Fourth Proportional to 89,024.40, 122,853.68 and 48,738.40
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Solution
The fourth proportional to 89,024.40, 122,853.68 and 48,738.40 is: 67,259.00
Step by Step Solution
- Step 1: Write the proportion equation
89,024.40 : 122,853.68 = 48,738.40 : x - Step 2: Convert to fraction form
89,024.40/122,853.68 = 48,738.40/x - Step 3: Cross multiply
89,024.40x = 122,853.68 × 48,738.40 - Step 4: Simplify right side
89,024.40x = 5,987,691,797.31 - Step 5: Solve for x
x = 5,987,691,797.31/89,024.40 - Step 6: Final answer
x = 67,259.00
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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.