Finding the Fourth Proportional to 91,326.03, 136,988.70 and 24,765.99
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Solution
The fourth proportional to 91,326.03, 136,988.70 and 24,765.99 is: 37,148.89
Step by Step Solution
- Step 1: Write the proportion equation
91,326.03 : 136,988.70 = 24,765.99 : x - Step 2: Convert to fraction form
91,326.03/136,988.70 = 24,765.99/x - Step 3: Cross multiply
91,326.03x = 136,988.70 × 24,765.99 - Step 4: Simplify right side
91,326.03x = 3,392,660,774.31 - Step 5: Solve for x
x = 3,392,660,774.31/91,326.03 - Step 6: Final answer
x = 37,148.89
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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.