Finding the Fourth Proportional to 86,177.36, 118,884.84 and 50,368.88
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Solution
The fourth proportional to 86,177.36, 118,884.84 and 50,368.88 is: 69,485.72
Step by Step Solution
- Step 1: Write the proportion equation
86,177.36 : 118,884.84 = 50,368.88 : x - Step 2: Convert to fraction form
86,177.36/118,884.84 = 50,368.88/x - Step 3: Cross multiply
86,177.36x = 118,884.84 × 50,368.88 - Step 4: Simplify right side
86,177.36x = 5,988,096,239.78 - Step 5: Solve for x
x = 5,988,096,239.78/86,177.36 - Step 6: Final answer
x = 69,485.72
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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.