Finding the Fourth Proportional to 125,762.66, 173,550.73 and 68,400.74
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Solution
The fourth proportional to 125,762.66, 173,550.73 and 68,400.74 is: 94,392.07
Step by Step Solution
- Step 1: Write the proportion equation
125,762.66 : 173,550.73 = 68,400.74 : x - Step 2: Convert to fraction form
125,762.66/173,550.73 = 68,400.74/x - Step 3: Cross multiply
125,762.66x = 173,550.73 × 68,400.74 - Step 4: Simplify right side
125,762.66x = 11,870,998,359.54 - Step 5: Solve for x
x = 11,870,998,359.54/125,762.66 - Step 6: Final answer
x = 94,392.07
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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.