Finding the Fourth Proportional to 94,640.97, 130,604.29 and 54,357.35
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Solution
The fourth proportional to 94,640.97, 130,604.29 and 54,357.35 is: 75,012.99
Step by Step Solution
- Step 1: Write the proportion equation
94,640.97 : 130,604.29 = 54,357.35 : x - Step 2: Convert to fraction form
94,640.97/130,604.29 = 54,357.35/x - Step 3: Cross multiply
94,640.97x = 130,604.29 × 54,357.35 - Step 4: Simplify right side
94,640.97x = 7,099,302,314.12 - Step 5: Solve for x
x = 7,099,302,314.12/94,640.97 - Step 6: Final answer
x = 75,012.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.