Finding the Fourth Proportional to 75,286.19, 103,894.23 and 41,294.00
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Solution
The fourth proportional to 75,286.19, 103,894.23 and 41,294.00 is: 56,985.32
Step by Step Solution
- Step 1: Write the proportion equation
75,286.19 : 103,894.23 = 41,294.00 : x - Step 2: Convert to fraction form
75,286.19/103,894.23 = 41,294.00/x - Step 3: Cross multiply
75,286.19x = 103,894.23 × 41,294.00 - Step 4: Simplify right side
75,286.19x = 4,290,207,607.68 - Step 5: Solve for x
x = 4,290,207,607.68/75,286.19 - Step 6: Final answer
x = 56,985.32
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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.