Finding the Fourth Proportional to 88,638.14, 132,958.36 and 29,473.81
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Solution
The fourth proportional to 88,638.14, 132,958.36 and 29,473.81 is: 44,211.09
Step by Step Solution
- Step 1: Write the proportion equation
88,638.14 : 132,958.36 = 29,473.81 : x - Step 2: Convert to fraction form
88,638.14/132,958.36 = 29,473.81/x - Step 3: Cross multiply
88,638.14x = 132,958.36 × 29,473.81 - Step 4: Simplify right side
88,638.14x = 3,918,789,145.00 - Step 5: Solve for x
x = 3,918,789,145.00/88,638.14 - Step 6: Final answer
x = 44,211.09
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1.5x scale
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.