Finding the Fourth Proportional to 71,313.24, 106,851.36 and 50,209.08
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Solution
The fourth proportional to 71,313.24, 106,851.36 and 50,209.08 is: 75,230.19
Step by Step Solution
- Step 1: Write the proportion equation
71,313.24 : 106,851.36 = 50,209.08 : x - Step 2: Convert to fraction form
71,313.24/106,851.36 = 50,209.08/x - Step 3: Cross multiply
71,313.24x = 106,851.36 × 50,209.08 - Step 4: Simplify right side
71,313.24x = 5,364,908,482.35 - Step 5: Solve for x
x = 5,364,908,482.35/71,313.24 - Step 6: Final answer
x = 75,230.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.