Finding the Fourth Proportional to 96,043.29, 144,138.47 and 43,489.68
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Solution
The fourth proportional to 96,043.29, 144,138.47 and 43,489.68 is: 65,267.82
Step by Step Solution
- Step 1: Write the proportion equation
96,043.29 : 144,138.47 = 43,489.68 : x - Step 2: Convert to fraction form
96,043.29/144,138.47 = 43,489.68/x - Step 3: Cross multiply
96,043.29x = 144,138.47 × 43,489.68 - Step 4: Simplify right side
96,043.29x = 6,268,535,718.54 - Step 5: Solve for x
x = 6,268,535,718.54/96,043.29 - Step 6: Final answer
x = 65,267.82
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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.