Finding the Fourth Proportional to 77,659.88, 116,490.12 and 23,625.09
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Solution
The fourth proportional to 77,659.88, 116,490.12 and 23,625.09 is: 35,437.73
Step by Step Solution
- Step 1: Write the proportion equation
77,659.88 : 116,490.12 = 23,625.09 : x - Step 2: Convert to fraction form
77,659.88/116,490.12 = 23,625.09/x - Step 3: Cross multiply
77,659.88x = 116,490.12 × 23,625.09 - Step 4: Simplify right side
77,659.88x = 2,752,090,007.48 - Step 5: Solve for x
x = 2,752,090,007.48/77,659.88 - Step 6: Final answer
x = 35,437.73
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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.