Finding the Fourth Proportional to 75,511.60, 104,203.79 and 41,520.05
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Solution
The fourth proportional to 75,511.60, 104,203.79 and 41,520.05 is: 57,296.45
Step by Step Solution
- Step 1: Write the proportion equation
75,511.60 : 104,203.79 = 41,520.05 : x - Step 2: Convert to fraction form
75,511.60/104,203.79 = 41,520.05/x - Step 3: Cross multiply
75,511.60x = 104,203.79 × 41,520.05 - Step 4: Simplify right side
75,511.60x = 4,326,546,570.99 - Step 5: Solve for x
x = 4,326,546,570.99/75,511.60 - Step 6: Final answer
x = 57,296.45
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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.