Finding the Fourth Proportional to 75,078.08, 103,628.94 and 44,884.52
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Solution
The fourth proportional to 75,078.08, 103,628.94 and 44,884.52 is: 61,953.31
Step by Step Solution
- Step 1: Write the proportion equation
75,078.08 : 103,628.94 = 44,884.52 : x - Step 2: Convert to fraction form
75,078.08/103,628.94 = 44,884.52/x - Step 3: Cross multiply
75,078.08x = 103,628.94 × 44,884.52 - Step 4: Simplify right side
75,078.08x = 4,651,335,230.01 - Step 5: Solve for x
x = 4,651,335,230.01/75,078.08 - Step 6: Final answer
x = 61,953.31
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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.