Finding the Fourth Proportional to 76,164.08, 114,214.58 and 28,771.08
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Solution
The fourth proportional to 76,164.08, 114,214.58 and 28,771.08 is: 43,144.71
Step by Step Solution
- Step 1: Write the proportion equation
76,164.08 : 114,214.58 = 28,771.08 : x - Step 2: Convert to fraction form
76,164.08/114,214.58 = 28,771.08/x - Step 3: Cross multiply
76,164.08x = 114,214.58 × 28,771.08 - Step 4: Simplify right side
76,164.08x = 3,286,076,674.49 - Step 5: Solve for x
x = 3,286,076,674.49/76,164.08 - Step 6: Final answer
x = 43,144.71
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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.