Finding the Fourth Proportional to 97,227.75, 145,836.75 and 38,074.26
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Solution
The fourth proportional to 97,227.75, 145,836.75 and 38,074.26 is: 57,109.48
Step by Step Solution
- Step 1: Write the proportion equation
97,227.75 : 145,836.75 = 38,074.26 : x - Step 2: Convert to fraction form
97,227.75/145,836.75 = 38,074.26/x - Step 3: Cross multiply
97,227.75x = 145,836.75 × 38,074.26 - Step 4: Simplify right side
97,227.75x = 5,552,626,337.06 - Step 5: Solve for x
x = 5,552,626,337.06/97,227.75 - Step 6: Final answer
x = 57,109.48
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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.