Finding the Fourth Proportional to 88,234.16, 121,750.20 and 52,425.68
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Solution
The fourth proportional to 88,234.16, 121,750.20 and 52,425.68 is: 72,339.75
Step by Step Solution
- Step 1: Write the proportion equation
88,234.16 : 121,750.20 = 52,425.68 : x - Step 2: Convert to fraction form
88,234.16/121,750.20 = 52,425.68/x - Step 3: Cross multiply
88,234.16x = 121,750.20 × 52,425.68 - Step 4: Simplify right side
88,234.16x = 6,382,837,025.14 - Step 5: Solve for x
x = 6,382,837,025.14/88,234.16 - Step 6: Final answer
x = 72,339.75
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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.