Finding the Fourth Proportional to 84,266.46, 116,285.63 and 48,455.62
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Solution
The fourth proportional to 84,266.46, 116,285.63 and 48,455.62 is: 66,867.55
Step by Step Solution
- Step 1: Write the proportion equation
84,266.46 : 116,285.63 = 48,455.62 : x - Step 2: Convert to fraction form
84,266.46/116,285.63 = 48,455.62/x - Step 3: Cross multiply
84,266.46x = 116,285.63 × 48,455.62 - Step 4: Simplify right side
84,266.46x = 5,634,691,765.75 - Step 5: Solve for x
x = 5,634,691,765.75/84,266.46 - Step 6: Final answer
x = 66,867.55
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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.