Finding the Fourth Proportional to 79,305.54, 118,920.66 and 46,035.90
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Solution
The fourth proportional to 79,305.54, 118,920.66 and 46,035.90 is: 69,031.99
Step by Step Solution
- Step 1: Write the proportion equation
79,305.54 : 118,920.66 = 46,035.90 : x - Step 2: Convert to fraction form
79,305.54/118,920.66 = 46,035.90/x - Step 3: Cross multiply
79,305.54x = 118,920.66 × 46,035.90 - Step 4: Simplify right side
79,305.54x = 5,474,619,611.69 - Step 5: Solve for x
x = 5,474,619,611.69/79,305.54 - Step 6: Final answer
x = 69,031.99
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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.