Finding the Fourth Proportional to 73,911.42, 102,000.87 and 40,379.58
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Solution
The fourth proportional to 73,911.42, 102,000.87 and 40,379.58 is: 55,725.52
Step by Step Solution
- Step 1: Write the proportion equation
73,911.42 : 102,000.87 = 40,379.58 : x - Step 2: Convert to fraction form
73,911.42/102,000.87 = 40,379.58/x - Step 3: Cross multiply
73,911.42x = 102,000.87 × 40,379.58 - Step 4: Simplify right side
73,911.42x = 4,118,752,290.23 - Step 5: Solve for x
x = 4,118,752,290.23/73,911.42 - Step 6: Final answer
x = 55,725.52
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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.