Finding the Fourth Proportional to 88,343.93, 132,517.30 and 21,784.08
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Solution
The fourth proportional to 88,343.93, 132,517.30 and 21,784.08 is: 32,676.46
Step by Step Solution
- Step 1: Write the proportion equation
88,343.93 : 132,517.30 = 21,784.08 : x - Step 2: Convert to fraction form
88,343.93/132,517.30 = 21,784.08/x - Step 3: Cross multiply
88,343.93x = 132,517.30 × 21,784.08 - Step 4: Simplify right side
88,343.93x = 2,886,766,885.95 - Step 5: Solve for x
x = 2,886,766,885.95/88,343.93 - Step 6: Final answer
x = 32,676.46
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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.