Finding the Fourth Proportional to 75,794.94, 104,535.38 and 66,700.68
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Solution
The fourth proportional to 75,794.94, 104,535.38 and 66,700.68 is: 91,992.70
Step by Step Solution
- Step 1: Write the proportion equation
75,794.94 : 104,535.38 = 66,700.68 : x - Step 2: Convert to fraction form
75,794.94/104,535.38 = 66,700.68/x - Step 3: Cross multiply
75,794.94x = 104,535.38 × 66,700.68 - Step 4: Simplify right side
75,794.94x = 6,972,580,930.06 - Step 5: Solve for x
x = 6,972,580,930.06/75,794.94 - Step 6: Final answer
x = 91,992.70
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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.