Finding the Fourth Proportional to 91,703.24, 126,556.97 and 50,880.74
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Solution
The fourth proportional to 91,703.24, 126,556.97 and 50,880.74 is: 70,219.03
Step by Step Solution
- Step 1: Write the proportion equation
91,703.24 : 126,556.97 = 50,880.74 : x - Step 2: Convert to fraction form
91,703.24/126,556.97 = 50,880.74/x - Step 3: Cross multiply
91,703.24x = 126,556.97 × 50,880.74 - Step 4: Simplify right side
91,703.24x = 6,439,312,110.45 - Step 5: Solve for x
x = 6,439,312,110.45/91,703.24 - Step 6: Final answer
x = 70,219.03
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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.