Finding the Fourth Proportional to 74,375.50, 102,627.86 and 43,749.98
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Solution
The fourth proportional to 74,375.50, 102,627.86 and 43,749.98 is: 60,368.90
Step by Step Solution
- Step 1: Write the proportion equation
74,375.50 : 102,627.86 = 43,749.98 : x - Step 2: Convert to fraction form
74,375.50/102,627.86 = 43,749.98/x - Step 3: Cross multiply
74,375.50x = 102,627.86 × 43,749.98 - Step 4: Simplify right side
74,375.50x = 4,489,966,822.44 - Step 5: Solve for x
x = 4,489,966,822.44/74,375.50 - Step 6: Final answer
x = 60,368.90
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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.