Finding the Fourth Proportional to 75,451.06, 104,123.79 and 41,461.03
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Solution
The fourth proportional to 75,451.06, 104,123.79 and 41,461.03 is: 57,216.95
Step by Step Solution
- Step 1: Write the proportion equation
75,451.06 : 104,123.79 = 41,461.03 : x - Step 2: Convert to fraction form
75,451.06/104,123.79 = 41,461.03/x - Step 3: Cross multiply
75,451.06x = 104,123.79 × 41,461.03 - Step 4: Simplify right side
75,451.06x = 4,317,079,580.90 - Step 5: Solve for x
x = 4,317,079,580.90/75,451.06 - Step 6: Final answer
x = 57,216.95
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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.