Finding the Fourth Proportional to 79,029.66, 118,544.36 and 36,895.62
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Solution
The fourth proportional to 79,029.66, 118,544.36 and 36,895.62 is: 55,343.37
Step by Step Solution
- Step 1: Write the proportion equation
79,029.66 : 118,544.36 = 36,895.62 : x - Step 2: Convert to fraction form
79,029.66/118,544.36 = 36,895.62/x - Step 3: Cross multiply
79,029.66x = 118,544.36 × 36,895.62 - Step 4: Simplify right side
79,029.66x = 4,373,767,475.23 - Step 5: Solve for x
x = 4,373,767,475.23/79,029.66 - Step 6: Final answer
x = 55,343.37
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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.