Finding the Fourth Proportional to 88,000.30, 121,441.08 and 47,714.68
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Solution
The fourth proportional to 88,000.30, 121,441.08 and 47,714.68 is: 65,846.62
Step by Step Solution
- Step 1: Write the proportion equation
88,000.30 : 121,441.08 = 47,714.68 : x - Step 2: Convert to fraction form
88,000.30/121,441.08 = 47,714.68/x - Step 3: Cross multiply
88,000.30x = 121,441.08 × 47,714.68 - Step 4: Simplify right side
88,000.30x = 5,794,522,271.05 - Step 5: Solve for x
x = 5,794,522,271.05/88,000.30 - Step 6: Final answer
x = 65,846.62
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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.