Finding the Fourth Proportional to 79,155.42, 118,776.87 and 44,114.82
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Solution
The fourth proportional to 79,155.42, 118,776.87 and 44,114.82 is: 66,196.61
Step by Step Solution
- Step 1: Write the proportion equation
79,155.42 : 118,776.87 = 44,114.82 : x - Step 2: Convert to fraction form
79,155.42/118,776.87 = 44,114.82/x - Step 3: Cross multiply
79,155.42x = 118,776.87 × 44,114.82 - Step 4: Simplify right side
79,155.42x = 5,239,820,240.21 - Step 5: Solve for x
x = 5,239,820,240.21/79,155.42 - Step 6: Final answer
x = 66,196.61
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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.