Finding the Fourth Proportional to 94,125.75, 129,894.45 and 51,685.19
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Solution
The fourth proportional to 94,125.75, 129,894.45 and 51,685.19 is: 71,326.07
Step by Step Solution
- Step 1: Write the proportion equation
94,125.75 : 129,894.45 = 51,685.19 : x - Step 2: Convert to fraction form
94,125.75/129,894.45 = 51,685.19/x - Step 3: Cross multiply
94,125.75x = 129,894.45 × 51,685.19 - Step 4: Simplify right side
94,125.75x = 6,713,619,459.11 - Step 5: Solve for x
x = 6,713,619,459.11/94,125.75 - Step 6: Final answer
x = 71,326.07
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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.