Finding the Fourth Proportional to 77,275.30, 115,883.18 and 27,346.09
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Solution
The fourth proportional to 77,275.30, 115,883.18 and 27,346.09 is: 41,008.60
Step by Step Solution
- Step 1: Write the proportion equation
77,275.30 : 115,883.18 = 27,346.09 : x - Step 2: Convert to fraction form
77,275.30/115,883.18 = 27,346.09/x - Step 3: Cross multiply
77,275.30x = 115,883.18 × 27,346.09 - Step 4: Simplify right side
77,275.30x = 3,168,951,869.77 - Step 5: Solve for x
x = 3,168,951,869.77/77,275.30 - Step 6: Final answer
x = 41,008.60
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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.