Finding the Fourth Proportional to 75,288.30, 103,897.14 and 41,296.08
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Solution
The fourth proportional to 75,288.30, 103,897.14 and 41,296.08 is: 56,988.20
Step by Step Solution
- Step 1: Write the proportion equation
75,288.30 : 103,897.14 = 41,296.08 : x - Step 2: Convert to fraction form
75,288.30/103,897.14 = 41,296.08/x - Step 3: Cross multiply
75,288.30x = 103,897.14 × 41,296.08 - Step 4: Simplify right side
75,288.30x = 4,290,544,605.21 - Step 5: Solve for x
x = 4,290,544,605.21/75,288.30 - Step 6: Final answer
x = 56,988.20
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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.