Finding the Fourth Proportional to 88,115.07, 121,604.82 and 49,874.67
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Solution
The fourth proportional to 88,115.07, 121,604.82 and 49,874.67 is: 68,830.45
Step by Step Solution
- Step 1: Write the proportion equation
88,115.07 : 121,604.82 = 49,874.67 : x - Step 2: Convert to fraction form
88,115.07/121,604.82 = 49,874.67/x - Step 3: Cross multiply
88,115.07x = 121,604.82 × 49,874.67 - Step 4: Simplify right side
88,115.07x = 6,065,000,267.91 - Step 5: Solve for x
x = 6,065,000,267.91/88,115.07 - Step 6: Final answer
x = 68,830.45
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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.