Finding the Fourth Proportional to 79,454.44, 118,613.09 and 76,684.12
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Solution
The fourth proportional to 79,454.44, 118,613.09 and 76,684.12 is: 114,477.43
Step by Step Solution
- Step 1: Write the proportion equation
79,454.44 : 118,613.09 = 76,684.12 : x - Step 2: Convert to fraction form
79,454.44/118,613.09 = 76,684.12/x - Step 3: Cross multiply
79,454.44x = 118,613.09 × 76,684.12 - Step 4: Simplify right side
79,454.44x = 9,095,740,427.13 - Step 5: Solve for x
x = 9,095,740,427.13/79,454.44 - Step 6: Final answer
x = 114,477.43
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.