Finding the Fourth Proportional to 91,068.44, 125,674.84 and 50,782.07
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Solution
The fourth proportional to 91,068.44, 125,674.84 and 50,782.07 is: 70,079.48
Step by Step Solution
- Step 1: Write the proportion equation
91,068.44 : 125,674.84 = 50,782.07 : x - Step 2: Convert to fraction form
91,068.44/125,674.84 = 50,782.07/x - Step 3: Cross multiply
91,068.44x = 125,674.84 × 50,782.07 - Step 4: Simplify right side
91,068.44x = 6,382,028,899.78 - Step 5: Solve for x
x = 6,382,028,899.78/91,068.44 - Step 6: Final answer
x = 70,079.48
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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.