Finding the Fourth Proportional to 97,313.12, 134,261.70 and 54,863.44
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Solution
The fourth proportional to 97,313.12, 134,261.70 and 54,863.44 is: 75,694.41
Step by Step Solution
- Step 1: Write the proportion equation
97,313.12 : 134,261.70 = 54,863.44 : x - Step 2: Convert to fraction form
97,313.12/134,261.70 = 54,863.44/x - Step 3: Cross multiply
97,313.12x = 134,261.70 × 54,863.44 - Step 4: Simplify right side
97,313.12x = 7,366,058,722.25 - Step 5: Solve for x
x = 7,366,058,722.25/97,313.12 - Step 6: Final answer
x = 75,694.41
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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.