Finding the Fourth Proportional to 77,263.74, 115,947.60 and 27,343.68
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Solution
The fourth proportional to 77,263.74, 115,947.60 and 27,343.68 is: 41,033.92
Step by Step Solution
- Step 1: Write the proportion equation
77,263.74 : 115,947.60 = 27,343.68 : x - Step 2: Convert to fraction form
77,263.74/115,947.60 = 27,343.68/x - Step 3: Cross multiply
77,263.74x = 115,947.60 × 27,343.68 - Step 4: Simplify right side
77,263.74x = 3,170,434,071.17 - Step 5: Solve for x
x = 3,170,434,071.17/77,263.74 - Step 6: Final answer
x = 41,033.92
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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.