Finding the Fourth Proportional to 97,818.48, 146,715.46 and 31,253.08
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Solution
The fourth proportional to 97,818.48, 146,715.46 and 31,253.08 is: 46,875.70
Step by Step Solution
- Step 1: Write the proportion equation
97,818.48 : 146,715.46 = 31,253.08 : x - Step 2: Convert to fraction form
97,818.48/146,715.46 = 31,253.08/x - Step 3: Cross multiply
97,818.48x = 146,715.46 × 31,253.08 - Step 4: Simplify right side
97,818.48x = 4,585,310,008.62 - Step 5: Solve for x
x = 4,585,310,008.62/97,818.48 - Step 6: Final answer
x = 46,875.70
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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.