Finding the Fourth Proportional to 75,508.68, 104,203.26 and 41,518.56
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Solution
The fourth proportional to 75,508.68, 104,203.26 and 41,518.56 is: 57,296.32
Step by Step Solution
- Step 1: Write the proportion equation
75,508.68 : 104,203.26 = 41,518.56 : x - Step 2: Convert to fraction form
75,508.68/104,203.26 = 41,518.56/x - Step 3: Cross multiply
75,508.68x = 104,203.26 × 41,518.56 - Step 4: Simplify right side
75,508.68x = 4,326,369,302.51 - Step 5: Solve for x
x = 4,326,369,302.51/75,508.68 - Step 6: Final answer
x = 57,296.32
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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.