Finding the Fourth Proportional to 79,603.08, 119,306.21 and 40,171.47
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Solution
The fourth proportional to 79,603.08, 119,306.21 and 40,171.47 is: 60,207.54
Step by Step Solution
- Step 1: Write the proportion equation
79,603.08 : 119,306.21 = 40,171.47 : x - Step 2: Convert to fraction form
79,603.08/119,306.21 = 40,171.47/x - Step 3: Cross multiply
79,603.08x = 119,306.21 × 40,171.47 - Step 4: Simplify right side
79,603.08x = 4,792,705,634.97 - Step 5: Solve for x
x = 4,792,705,634.97/79,603.08 - Step 6: Final answer
x = 60,207.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.