Finding the Fourth Proportional to 122,793.27, 169,464.54 and 69,075.09
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Solution
The fourth proportional to 122,793.27, 169,464.54 and 69,075.09 is: 95,329.15
Step by Step Solution
- Step 1: Write the proportion equation
122,793.27 : 169,464.54 = 69,075.09 : x - Step 2: Convert to fraction form
122,793.27/169,464.54 = 69,075.09/x - Step 3: Cross multiply
122,793.27x = 169,464.54 × 69,075.09 - Step 4: Simplify right side
122,793.27x = 11,705,778,352.31 - Step 5: Solve for x
x = 11,705,778,352.31/122,793.27 - Step 6: Final answer
x = 95,329.15
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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.