Finding the Fourth Proportional to 97,311.66, 145,902.69 and 34,974.06
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Solution
The fourth proportional to 97,311.66, 145,902.69 and 34,974.06 is: 52,437.80
Step by Step Solution
- Step 1: Write the proportion equation
97,311.66 : 145,902.69 = 34,974.06 : x - Step 2: Convert to fraction form
97,311.66/145,902.69 = 34,974.06/x - Step 3: Cross multiply
97,311.66x = 145,902.69 × 34,974.06 - Step 4: Simplify right side
97,311.66x = 5,102,809,434.22 - Step 5: Solve for x
x = 5,102,809,434.22/97,311.66 - Step 6: Final answer
x = 52,437.80
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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.