Finding the Fourth Proportional to 76,486.26, 114,712.08 and 29,084.40
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Solution
The fourth proportional to 76,486.26, 114,712.08 and 29,084.40 is: 43,620.02
Step by Step Solution
- Step 1: Write the proportion equation
76,486.26 : 114,712.08 = 29,084.40 : x - Step 2: Convert to fraction form
76,486.26/114,712.08 = 29,084.40/x - Step 3: Cross multiply
76,486.26x = 114,712.08 × 29,084.40 - Step 4: Simplify right side
76,486.26x = 3,336,332,019.55 - Step 5: Solve for x
x = 3,336,332,019.55/76,486.26 - Step 6: Final answer
x = 43,620.02
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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.