Finding the Fourth Proportional to 86,825.58, 119,799.99 and 52,851.75
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Solution
The fourth proportional to 86,825.58, 119,799.99 and 52,851.75 is: 72,923.66
Step by Step Solution
- Step 1: Write the proportion equation
86,825.58 : 119,799.99 = 52,851.75 : x - Step 2: Convert to fraction form
86,825.58/119,799.99 = 52,851.75/x - Step 3: Cross multiply
86,825.58x = 119,799.99 × 52,851.75 - Step 4: Simplify right side
86,825.58x = 6,331,639,121.48 - Step 5: Solve for x
x = 6,331,639,121.48/86,825.58 - Step 6: Final answer
x = 72,923.66
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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.