Finding the Fourth Proportional to 77,312.26, 115,934.64 and 27,375.76
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Solution
The fourth proportional to 77,312.26, 115,934.64 and 27,375.76 is: 41,051.69
Step by Step Solution
- Step 1: Write the proportion equation
77,312.26 : 115,934.64 = 27,375.76 : x - Step 2: Convert to fraction form
77,312.26/115,934.64 = 27,375.76/x - Step 3: Cross multiply
77,312.26x = 115,934.64 × 27,375.76 - Step 4: Simplify right side
77,312.26x = 3,173,798,880.33 - Step 5: Solve for x
x = 3,173,798,880.33/77,312.26 - Step 6: Final answer
x = 41,051.69
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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.