Finding the Fourth Proportional to 96,176.84, 132,729.08 and 57,948.39
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Solution
The fourth proportional to 96,176.84, 132,729.08 and 57,948.39 is: 79,971.82
Step by Step Solution
- Step 1: Write the proportion equation
96,176.84 : 132,729.08 = 57,948.39 : x - Step 2: Convert to fraction form
96,176.84/132,729.08 = 57,948.39/x - Step 3: Cross multiply
96,176.84x = 132,729.08 × 57,948.39 - Step 4: Simplify right side
96,176.84x = 7,691,436,202.44 - Step 5: Solve for x
x = 7,691,436,202.44/96,176.84 - Step 6: Final answer
x = 79,971.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.