Finding the Fourth Proportional to 79,841.57, 119,768.42 and 46,564.94
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Solution
The fourth proportional to 79,841.57, 119,768.42 and 46,564.94 is: 69,850.96
Step by Step Solution
- Step 1: Write the proportion equation
79,841.57 : 119,768.42 = 46,564.94 : x - Step 2: Convert to fraction form
79,841.57/119,768.42 = 46,564.94/x - Step 3: Cross multiply
79,841.57x = 119,768.42 × 46,564.94 - Step 4: Simplify right side
79,841.57x = 5,577,009,707.03 - Step 5: Solve for x
x = 5,577,009,707.03/79,841.57 - Step 6: Final answer
x = 69,850.96
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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.