Finding the Fourth Proportional to 75,134.07, 112,602.68 and 41,869.80
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Solution
The fourth proportional to 75,134.07, 112,602.68 and 41,869.80 is: 62,749.85
Step by Step Solution
- Step 1: Write the proportion equation
75,134.07 : 112,602.68 = 41,869.80 : x - Step 2: Convert to fraction form
75,134.07/112,602.68 = 41,869.80/x - Step 3: Cross multiply
75,134.07x = 112,602.68 × 41,869.80 - Step 4: Simplify right side
75,134.07x = 4,714,651,481.72 - Step 5: Solve for x
x = 4,714,651,481.72/75,134.07 - Step 6: Final answer
x = 62,749.85
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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.