Finding the Fourth Proportional to 89,573.21, 134,356.97 and 22,105.63
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Solution
The fourth proportional to 89,573.21, 134,356.97 and 22,105.63 is: 33,157.74
Step by Step Solution
- Step 1: Write the proportion equation
89,573.21 : 134,356.97 = 22,105.63 : x - Step 2: Convert to fraction form
89,573.21/134,356.97 = 22,105.63/x - Step 3: Cross multiply
89,573.21x = 134,356.97 × 22,105.63 - Step 4: Simplify right side
89,573.21x = 2,970,045,020.32 - Step 5: Solve for x
x = 2,970,045,020.32/89,573.21 - Step 6: Final answer
x = 33,157.74
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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.