Finding the Fourth Proportional to 125,635.05, 173,374.43 and 69,045.21
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Solution
The fourth proportional to 125,635.05, 173,374.43 and 69,045.21 is: 95,281.32
Step by Step Solution
- Step 1: Write the proportion equation
125,635.05 : 173,374.43 = 69,045.21 : x - Step 2: Convert to fraction form
125,635.05/173,374.43 = 69,045.21/x - Step 3: Cross multiply
125,635.05x = 173,374.43 × 69,045.21 - Step 4: Simplify right side
125,635.05x = 11,970,673,582.75 - Step 5: Solve for x
x = 11,970,673,582.75/125,635.05 - Step 6: Final answer
x = 95,281.32
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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.