Finding the Fourth Proportional to 75,286.99, 103,897.11 and 41,298.72
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Solution
The fourth proportional to 75,286.99, 103,897.11 and 41,298.72 is: 56,992.82
Step by Step Solution
- Step 1: Write the proportion equation
75,286.99 : 103,897.11 = 41,298.72 : x - Step 2: Convert to fraction form
75,286.99/103,897.11 = 41,298.72/x - Step 3: Cross multiply
75,286.99x = 103,897.11 × 41,298.72 - Step 4: Simplify right side
75,286.99x = 4,290,817,654.70 - Step 5: Solve for x
x = 4,290,817,654.70/75,286.99 - Step 6: Final answer
x = 56,992.82
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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.