Finding the Fourth Proportional to 75,672.08, 104,418.33 and 43,405.02
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Solution
The fourth proportional to 75,672.08, 104,418.33 and 43,405.02 is: 59,893.68
Step by Step Solution
- Step 1: Write the proportion equation
75,672.08 : 104,418.33 = 43,405.02 : x - Step 2: Convert to fraction form
75,672.08/104,418.33 = 43,405.02/x - Step 3: Cross multiply
75,672.08x = 104,418.33 × 43,405.02 - Step 4: Simplify right side
75,672.08x = 4,532,279,702.02 - Step 5: Solve for x
x = 4,532,279,702.02/75,672.08 - Step 6: Final answer
x = 59,893.68
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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.