Finding the Fourth Proportional to 77,242.50, 115,839.18 and 24,639.84
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Solution
The fourth proportional to 77,242.50, 115,839.18 and 24,639.84 is: 36,951.92
Step by Step Solution
- Step 1: Write the proportion equation
77,242.50 : 115,839.18 = 24,639.84 : x - Step 2: Convert to fraction form
77,242.50/115,839.18 = 24,639.84/x - Step 3: Cross multiply
77,242.50x = 115,839.18 × 24,639.84 - Step 4: Simplify right side
77,242.50x = 2,854,258,860.93 - Step 5: Solve for x
x = 2,854,258,860.93/77,242.50 - Step 6: Final answer
x = 36,951.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.