Finding the Fourth Proportional to 84,487.24, 116,621.52 and 48,691.54
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Solution
The fourth proportional to 84,487.24, 116,621.52 and 48,691.54 is: 67,211.11
Step by Step Solution
- Step 1: Write the proportion equation
84,487.24 : 116,621.52 = 48,691.54 : x - Step 2: Convert to fraction form
84,487.24/116,621.52 = 48,691.54/x - Step 3: Cross multiply
84,487.24x = 116,621.52 × 48,691.54 - Step 4: Simplify right side
84,487.24x = 5,678,481,405.94 - Step 5: Solve for x
x = 5,678,481,405.94/84,487.24 - Step 6: Final answer
x = 67,211.11
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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.