Finding the Fourth Proportional to 77,709.12, 116,563.48 and 33,307.08
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Solution
The fourth proportional to 77,709.12, 116,563.48 and 33,307.08 is: 49,960.53
Step by Step Solution
- Step 1: Write the proportion equation
77,709.12 : 116,563.48 = 33,307.08 : x - Step 2: Convert to fraction form
77,709.12/116,563.48 = 33,307.08/x - Step 3: Cross multiply
77,709.12x = 116,563.48 × 33,307.08 - Step 4: Simplify right side
77,709.12x = 3,882,389,153.44 - Step 5: Solve for x
x = 3,882,389,153.44/77,709.12 - Step 6: Final answer
x = 49,960.53
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1.5x scale
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.