Finding the Fourth Proportional to 125,673.18, 173,429.55 and 69,088.20
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Solution
The fourth proportional to 125,673.18, 173,429.55 and 69,088.20 is: 95,342.02
Step by Step Solution
- Step 1: Write the proportion equation
125,673.18 : 173,429.55 = 69,088.20 : x - Step 2: Convert to fraction form
125,673.18/173,429.55 = 69,088.20/x - Step 3: Cross multiply
125,673.18x = 173,429.55 × 69,088.20 - Step 4: Simplify right side
125,673.18x = 11,981,935,436.31 - Step 5: Solve for x
x = 11,981,935,436.31/125,673.18 - Step 6: Final answer
x = 95,342.02
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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.