Finding the Fourth Proportional to 125,764.54, 173,550.04 and 68,403.91
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Solution
The fourth proportional to 125,764.54, 173,550.04 and 68,403.91 is: 94,394.65
Step by Step Solution
- Step 1: Write the proportion equation
125,764.54 : 173,550.04 = 68,403.91 : x - Step 2: Convert to fraction form
125,764.54/173,550.04 = 68,403.91/x - Step 3: Cross multiply
125,764.54x = 173,550.04 × 68,403.91 - Step 4: Simplify right side
125,764.54x = 11,871,500,401.21 - Step 5: Solve for x
x = 11,871,500,401.21/125,764.54 - Step 6: Final answer
x = 94,394.65
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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.