Finding the Fourth Proportional to 84,479.02, 116,535.05 and 54,269.09
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Solution
The fourth proportional to 84,479.02, 116,535.05 and 54,269.09 is: 74,861.80
Step by Step Solution
- Step 1: Write the proportion equation
84,479.02 : 116,535.05 = 54,269.09 : x - Step 2: Convert to fraction form
84,479.02/116,535.05 = 54,269.09/x - Step 3: Cross multiply
84,479.02x = 116,535.05 × 54,269.09 - Step 4: Simplify right side
84,479.02x = 6,324,251,116.60 - Step 5: Solve for x
x = 6,324,251,116.60/84,479.02 - Step 6: Final answer
x = 74,861.80
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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.