Finding the Fourth Proportional to 75,611.62, 104,344.40 and 41,623.52
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Solution
The fourth proportional to 75,611.62, 104,344.40 and 41,623.52 is: 57,440.66
Step by Step Solution
- Step 1: Write the proportion equation
75,611.62 : 104,344.40 = 41,623.52 : x - Step 2: Convert to fraction form
75,611.62/104,344.40 = 41,623.52/x - Step 3: Cross multiply
75,611.62x = 104,344.40 × 41,623.52 - Step 4: Simplify right side
75,611.62x = 4,343,181,012.17 - Step 5: Solve for x
x = 4,343,181,012.17/75,611.62 - Step 6: Final answer
x = 57,440.66
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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.