Finding the Fourth Proportional to 76,887.62, 115,330.71 and 24,297.09
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Solution
The fourth proportional to 76,887.62, 115,330.71 and 24,297.09 is: 36,445.41
Step by Step Solution
- Step 1: Write the proportion equation
76,887.62 : 115,330.71 = 24,297.09 : x - Step 2: Convert to fraction form
76,887.62/115,330.71 = 24,297.09/x - Step 3: Cross multiply
76,887.62x = 115,330.71 × 24,297.09 - Step 4: Simplify right side
76,887.62x = 2,802,200,640.63 - Step 5: Solve for x
x = 2,802,200,640.63/76,887.62 - Step 6: Final answer
x = 36,445.41
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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.