Finding the Fourth Proportional to 76,994.96, 115,491.76 and 24,403.08
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Solution
The fourth proportional to 76,994.96, 115,491.76 and 24,403.08 is: 36,604.40
Step by Step Solution
- Step 1: Write the proportion equation
76,994.96 : 115,491.76 = 24,403.08 : x - Step 2: Convert to fraction form
76,994.96/115,491.76 = 24,403.08/x - Step 3: Cross multiply
76,994.96x = 115,491.76 × 24,403.08 - Step 4: Simplify right side
76,994.96x = 2,818,354,658.62 - Step 5: Solve for x
x = 2,818,354,658.62/76,994.96 - Step 6: Final answer
x = 36,604.40
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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.