Finding the Fourth Proportional to 86,455.20, 119,318.44 and 48,221
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Solution
The fourth proportional to 86,455.20, 119,318.44 and 48,221 is: 66,550.70
Step by Step Solution
- Step 1: Write the proportion equation
86,455.20 : 119,318.44 = 48,221 : x - Step 2: Convert to fraction form
86,455.20/119,318.44 = 48,221/x - Step 3: Cross multiply
86,455.20x = 119,318.44 × 48,221 - Step 4: Simplify right side
86,455.20x = 5,753,654,495.24 - Step 5: Solve for x
x = 5,753,654,495.24/86,455.20 - Step 6: Final answer
x = 66,550.70
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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.