Finding the Fourth Proportional to 88,694.12, 122,394.84 and 52,865.66
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Solution
The fourth proportional to 88,694.12, 122,394.84 and 52,865.66 is: 72,952.80
Step by Step Solution
- Step 1: Write the proportion equation
88,694.12 : 122,394.84 = 52,865.66 : x - Step 2: Convert to fraction form
88,694.12/122,394.84 = 52,865.66/x - Step 3: Cross multiply
88,694.12x = 122,394.84 × 52,865.66 - Step 4: Simplify right side
88,694.12x = 6,470,483,997.19 - Step 5: Solve for x
x = 6,470,483,997.19/88,694.12 - Step 6: Final answer
x = 72,952.80
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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.