Finding the Fourth Proportional to 107,717.69, 148,656.30 and 59,969.99
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Solution
The fourth proportional to 107,717.69, 148,656.30 and 59,969.99 is: 82,761.86
Step by Step Solution
- Step 1: Write the proportion equation
107,717.69 : 148,656.30 = 59,969.99 : x - Step 2: Convert to fraction form
107,717.69/148,656.30 = 59,969.99/x - Step 3: Cross multiply
107,717.69x = 148,656.30 × 59,969.99 - Step 4: Simplify right side
107,717.69x = 8,914,916,824.44 - Step 5: Solve for x
x = 8,914,916,824.44/107,717.69 - Step 6: Final answer
x = 82,761.86
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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.