Finding the Fourth Proportional to 76,948.20, 115,410.78 and 24,350.94
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Solution
The fourth proportional to 76,948.20, 115,410.78 and 24,350.94 is: 36,522.76
Step by Step Solution
- Step 1: Write the proportion equation
76,948.20 : 115,410.78 = 24,350.94 : x - Step 2: Convert to fraction form
76,948.20/115,410.78 = 24,350.94/x - Step 3: Cross multiply
76,948.20x = 115,410.78 × 24,350.94 - Step 4: Simplify right side
76,948.20x = 2,810,360,979.13 - Step 5: Solve for x
x = 2,810,360,979.13/76,948.20 - Step 6: Final answer
x = 36,522.76
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.