Finding the Fourth Proportional to 77,294.94, 115,915.07 and 36,763.68
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Solution
The fourth proportional to 77,294.94, 115,915.07 and 36,763.68 is: 55,132.52
Step by Step Solution
- Step 1: Write the proportion equation
77,294.94 : 115,915.07 = 36,763.68 : x - Step 2: Convert to fraction form
77,294.94/115,915.07 = 36,763.68/x - Step 3: Cross multiply
77,294.94x = 115,915.07 × 36,763.68 - Step 4: Simplify right side
77,294.94x = 4,261,464,540.66 - Step 5: Solve for x
x = 4,261,464,540.66/77,294.94 - Step 6: Final answer
x = 55,132.52
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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.