Finding the Fourth Proportional to 83,713.75, 125,463.84 and 39,242.53
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Solution
The fourth proportional to 83,713.75, 125,463.84 and 39,242.53 is: 58,813.74
Step by Step Solution
- Step 1: Write the proportion equation
83,713.75 : 125,463.84 = 39,242.53 : x - Step 2: Convert to fraction form
83,713.75/125,463.84 = 39,242.53/x - Step 3: Cross multiply
83,713.75x = 125,463.84 × 39,242.53 - Step 4: Simplify right side
83,713.75x = 4,923,518,505.12 - Step 5: Solve for x
x = 4,923,518,505.12/83,713.75 - Step 6: Final answer
x = 58,813.74
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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.