Finding the Fourth Proportional to 90,960.09, 125,524.99 and 50,673.94
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Solution
The fourth proportional to 90,960.09, 125,524.99 and 50,673.94 is: 69,930.07
Step by Step Solution
- Step 1: Write the proportion equation
90,960.09 : 125,524.99 = 50,673.94 : x - Step 2: Convert to fraction form
90,960.09/125,524.99 = 50,673.94/x - Step 3: Cross multiply
90,960.09x = 125,524.99 × 50,673.94 - Step 4: Simplify right side
90,960.09x = 6,360,845,811.76 - Step 5: Solve for x
x = 6,360,845,811.76/90,960.09 - Step 6: Final answer
x = 69,930.07
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1.5x scale
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.