Finding the Fourth Proportional to 79,233.80, 118,850.70 and 75,345.80
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Solution
The fourth proportional to 79,233.80, 118,850.70 and 75,345.80 is: 113,018.70
Step by Step Solution
- Step 1: Write the proportion equation
79,233.80 : 118,850.70 = 75,345.80 : x - Step 2: Convert to fraction form
79,233.80/118,850.70 = 75,345.80/x - Step 3: Cross multiply
79,233.80x = 118,850.70 × 75,345.80 - Step 4: Simplify right side
79,233.80x = 8,954,901,072.06 - Step 5: Solve for x
x = 8,954,901,072.06/79,233.80 - Step 6: Final answer
x = 113,018.70
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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.