Finding the Fourth Proportional to 84,560.08, 126,840.02 and 34,640.26
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Solution
The fourth proportional to 84,560.08, 126,840.02 and 34,640.26 is: 51,960.35
Step by Step Solution
- Step 1: Write the proportion equation
84,560.08 : 126,840.02 = 34,640.26 : x - Step 2: Convert to fraction form
84,560.08/126,840.02 = 34,640.26/x - Step 3: Cross multiply
84,560.08x = 126,840.02 × 34,640.26 - Step 4: Simplify right side
84,560.08x = 4,393,771,271.21 - Step 5: Solve for x
x = 4,393,771,271.21/84,560.08 - Step 6: Final answer
x = 51,960.35
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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.