Finding the Fourth Proportional to 90,343.26, 124,668.48 and 50,054.63
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Solution
The fourth proportional to 90,343.26, 124,668.48 and 50,054.63 is: 69,072.50
Step by Step Solution
- Step 1: Write the proportion equation
90,343.26 : 124,668.48 = 50,054.63 : x - Step 2: Convert to fraction form
90,343.26/124,668.48 = 50,054.63/x - Step 3: Cross multiply
90,343.26x = 124,668.48 × 50,054.63 - Step 4: Simplify right side
90,343.26x = 6,240,234,639.06 - Step 5: Solve for x
x = 6,240,234,639.06/90,343.26 - Step 6: Final answer
x = 69,072.50
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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.