Finding the Fourth Proportional to 94,152.75, 129,899.18 and 53,311.31
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Solution
The fourth proportional to 94,152.75, 129,899.18 and 53,311.31 is: 73,551.70
Step by Step Solution
- Step 1: Write the proportion equation
94,152.75 : 129,899.18 = 53,311.31 : x - Step 2: Convert to fraction form
94,152.75/129,899.18 = 53,311.31/x - Step 3: Cross multiply
94,152.75x = 129,899.18 × 53,311.31 - Step 4: Simplify right side
94,152.75x = 6,925,094,937.51 - Step 5: Solve for x
x = 6,925,094,937.51/94,152.75 - Step 6: Final answer
x = 73,551.70
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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.