Finding the Fourth Proportional to 75,508.18, 104,202.57 and 41,518.06
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Solution
The fourth proportional to 75,508.18, 104,202.57 and 41,518.06 is: 57,295.63
Step by Step Solution
- Step 1: Write the proportion equation
75,508.18 : 104,202.57 = 41,518.06 : x - Step 2: Convert to fraction form
75,508.18/104,202.57 = 41,518.06/x - Step 3: Cross multiply
75,508.18x = 104,202.57 × 41,518.06 - Step 4: Simplify right side
75,508.18x = 4,326,288,553.41 - Step 5: Solve for x
x = 4,326,288,553.41/75,508.18 - Step 6: Final answer
x = 57,295.63
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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.