Finding the Fourth Proportional to 86,106.50, 118,797.60 and 53,819.09
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Solution
The fourth proportional to 86,106.50, 118,797.60 and 53,819.09 is: 74,251.99
Step by Step Solution
- Step 1: Write the proportion equation
86,106.50 : 118,797.60 = 53,819.09 : x - Step 2: Convert to fraction form
86,106.50/118,797.60 = 53,819.09/x - Step 3: Cross multiply
86,106.50x = 118,797.60 × 53,819.09 - Step 4: Simplify right side
86,106.50x = 6,393,578,726.18 - Step 5: Solve for x
x = 6,393,578,726.18/86,106.50 - Step 6: Final answer
x = 74,251.99
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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.