Finding the Fourth Proportional to 88,691.28, 133,036.50 and 29,526.84
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Solution
The fourth proportional to 88,691.28, 133,036.50 and 29,526.84 is: 44,290.12
Step by Step Solution
- Step 1: Write the proportion equation
88,691.28 : 133,036.50 = 29,526.84 : x - Step 2: Convert to fraction form
88,691.28/133,036.50 = 29,526.84/x - Step 3: Cross multiply
88,691.28x = 133,036.50 × 29,526.84 - Step 4: Simplify right side
88,691.28x = 3,928,147,449.66 - Step 5: Solve for x
x = 3,928,147,449.66/88,691.28 - Step 6: Final answer
x = 44,290.12
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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.