Finding the Fourth Proportional to 125,821.79, 173,577.63 and 84,972.65
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Solution
The fourth proportional to 125,821.79, 173,577.63 and 84,972.65 is: 117,224.14
Step by Step Solution
- Step 1: Write the proportion equation
125,821.79 : 173,577.63 = 84,972.65 : x - Step 2: Convert to fraction form
125,821.79/173,577.63 = 84,972.65/x - Step 3: Cross multiply
125,821.79x = 173,577.63 × 84,972.65 - Step 4: Simplify right side
125,821.79x = 14,749,350,333.93 - Step 5: Solve for x
x = 14,749,350,333.93/125,821.79 - Step 6: Final answer
x = 117,224.14
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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.