Finding the Fourth Proportional to 83,791.85, 125,519.49 and 38,750.08
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Solution
The fourth proportional to 83,791.85, 125,519.49 and 38,750.08 is: 58,047.29
Step by Step Solution
- Step 1: Write the proportion equation
83,791.85 : 125,519.49 = 38,750.08 : x - Step 2: Convert to fraction form
83,791.85/125,519.49 = 38,750.08/x - Step 3: Cross multiply
83,791.85x = 125,519.49 × 38,750.08 - Step 4: Simplify right side
83,791.85x = 4,863,889,773.25 - Step 5: Solve for x
x = 4,863,889,773.25/83,791.85 - Step 6: Final answer
x = 58,047.29
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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.