Finding the Fourth Proportional to 75,613.42, 113,420.11 and 75,504.06
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Solution
The fourth proportional to 75,613.42, 113,420.11 and 75,504.06 is: 113,256.07
Step by Step Solution
- Step 1: Write the proportion equation
75,613.42 : 113,420.11 = 75,504.06 : x - Step 2: Convert to fraction form
75,613.42/113,420.11 = 75,504.06/x - Step 3: Cross multiply
75,613.42x = 113,420.11 × 75,504.06 - Step 4: Simplify right side
75,613.42x = 8,563,678,790.65 - Step 5: Solve for x
x = 8,563,678,790.65/75,613.42 - Step 6: Final answer
x = 113,256.07
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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.