Finding the Fourth Proportional to 76,043.08, 104,945.94 and 44,209.96
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Solution
The fourth proportional to 76,043.08, 104,945.94 and 44,209.96 is: 61,013.52
Step by Step Solution
- Step 1: Write the proportion equation
76,043.08 : 104,945.94 = 44,209.96 : x - Step 2: Convert to fraction form
76,043.08/104,945.94 = 44,209.96/x - Step 3: Cross multiply
76,043.08x = 104,945.94 × 44,209.96 - Step 4: Simplify right side
76,043.08x = 4,639,655,809.56 - Step 5: Solve for x
x = 4,639,655,809.56/76,043.08 - Step 6: Final answer
x = 61,013.52
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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.