Finding the Fourth Proportional to 85,050.36, 117,361.87 and 49,242.79
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Solution
The fourth proportional to 85,050.36, 117,361.87 and 49,242.79 is: 67,950.63
Step by Step Solution
- Step 1: Write the proportion equation
85,050.36 : 117,361.87 = 49,242.79 : x - Step 2: Convert to fraction form
85,050.36/117,361.87 = 49,242.79/x - Step 3: Cross multiply
85,050.36x = 117,361.87 × 49,242.79 - Step 4: Simplify right side
85,050.36x = 5,779,225,501.91 - Step 5: Solve for x
x = 5,779,225,501.91/85,050.36 - Step 6: Final answer
x = 67,950.63
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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.