Finding the Fourth Proportional to 76,923.88, 115,390.02 and 24,329.44
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Solution
The fourth proportional to 76,923.88, 115,390.02 and 24,329.44 is: 36,495.49
Step by Step Solution
- Step 1: Write the proportion equation
76,923.88 : 115,390.02 = 24,329.44 : x - Step 2: Convert to fraction form
76,923.88/115,390.02 = 24,329.44/x - Step 3: Cross multiply
76,923.88x = 115,390.02 × 24,329.44 - Step 4: Simplify right side
76,923.88x = 2,807,374,568.19 - Step 5: Solve for x
x = 2,807,374,568.19/76,923.88 - Step 6: Final answer
x = 36,495.49
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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.