Finding the Fourth Proportional to 75,303.39, 112,883.09 and 27,905.79
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Solution
The fourth proportional to 75,303.39, 112,883.09 and 27,905.79 is: 41,832.00
Step by Step Solution
- Step 1: Write the proportion equation
75,303.39 : 112,883.09 = 27,905.79 : x - Step 2: Convert to fraction form
75,303.39/112,883.09 = 27,905.79/x - Step 3: Cross multiply
75,303.39x = 112,883.09 × 27,905.79 - Step 4: Simplify right side
75,303.39x = 3,150,091,664.56 - Step 5: Solve for x
x = 3,150,091,664.56/75,303.39 - Step 6: Final answer
x = 41,832.00
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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.