Finding the Fourth Proportional to 91,154.94, 125,793.84 and 50,319.09
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Solution
The fourth proportional to 91,154.94, 125,793.84 and 50,319.09 is: 69,440.36
Step by Step Solution
- Step 1: Write the proportion equation
91,154.94 : 125,793.84 = 50,319.09 : x - Step 2: Convert to fraction form
91,154.94/125,793.84 = 50,319.09/x - Step 3: Cross multiply
91,154.94x = 125,793.84 × 50,319.09 - Step 4: Simplify right side
91,154.94x = 6,329,831,556.41 - Step 5: Solve for x
x = 6,329,831,556.41/91,154.94 - Step 6: Final answer
x = 69,440.36
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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.