Finding the Fourth Proportional to 77,372.08, 106,771.44 and 43,838.08
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Solution
The fourth proportional to 77,372.08, 106,771.44 and 43,838.08 is: 60,495.40
Step by Step Solution
- Step 1: Write the proportion equation
77,372.08 : 106,771.44 = 43,838.08 : x - Step 2: Convert to fraction form
77,372.08/106,771.44 = 43,838.08/x - Step 3: Cross multiply
77,372.08x = 106,771.44 × 43,838.08 - Step 4: Simplify right side
77,372.08x = 4,680,654,928.44 - Step 5: Solve for x
x = 4,680,654,928.44/77,372.08 - Step 6: Final answer
x = 60,495.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.