Finding the Fourth Proportional to 79,143.19, 118,743.94 and 41,701.75
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Solution
The fourth proportional to 79,143.19, 118,743.94 and 41,701.75 is: 62,567.99
Step by Step Solution
- Step 1: Write the proportion equation
79,143.19 : 118,743.94 = 41,701.75 : x - Step 2: Convert to fraction form
79,143.19/118,743.94 = 41,701.75/x - Step 3: Cross multiply
79,143.19x = 118,743.94 × 41,701.75 - Step 4: Simplify right side
79,143.19x = 4,951,829,855.16 - Step 5: Solve for x
x = 4,951,829,855.16/79,143.19 - Step 6: Final answer
x = 62,567.99
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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.