Finding the Fourth Proportional to 88,436.21, 132,626.97 and 29,259.63
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Solution
The fourth proportional to 88,436.21, 132,626.97 and 29,259.63 is: 43,880.40
Step by Step Solution
- Step 1: Write the proportion equation
88,436.21 : 132,626.97 = 29,259.63 : x - Step 2: Convert to fraction form
88,436.21/132,626.97 = 29,259.63/x - Step 3: Cross multiply
88,436.21x = 132,626.97 × 29,259.63 - Step 4: Simplify right side
88,436.21x = 3,880,616,070.22 - Step 5: Solve for x
x = 3,880,616,070.22/88,436.21 - Step 6: Final answer
x = 43,880.40
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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.