Finding the Fourth Proportional to 106,525.80, 159,715.80 and 50,392.80
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Solution
The fourth proportional to 106,525.80, 159,715.80 and 50,392.80 is: 75,554.71
Step by Step Solution
- Step 1: Write the proportion equation
106,525.80 : 159,715.80 = 50,392.80 : x - Step 2: Convert to fraction form
106,525.80/159,715.80 = 50,392.80/x - Step 3: Cross multiply
106,525.80x = 159,715.80 × 50,392.80 - Step 4: Simplify right side
106,525.80x = 8,048,526,366.24 - Step 5: Solve for x
x = 8,048,526,366.24/106,525.80 - Step 6: Final answer
x = 75,554.71
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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.