Finding the Fourth Proportional to 125,596.10, 173,279.76 and 77,832.02
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Solution
The fourth proportional to 125,596.10, 173,279.76 and 77,832.02 is: 107,381.63
Step by Step Solution
- Step 1: Write the proportion equation
125,596.10 : 173,279.76 = 77,832.02 : x - Step 2: Convert to fraction form
125,596.10/173,279.76 = 77,832.02/x - Step 3: Cross multiply
125,596.10x = 173,279.76 × 77,832.02 - Step 4: Simplify right side
125,596.10x = 13,486,713,887.24 - Step 5: Solve for x
x = 13,486,713,887.24/125,596.10 - Step 6: Final answer
x = 107,381.63
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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.