Finding the Fourth Proportional to 76,725.19, 114,968.41 and 29,314.42
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Solution
The fourth proportional to 76,725.19, 114,968.41 and 29,314.42 is: 43,926.02
Step by Step Solution
- Step 1: Write the proportion equation
76,725.19 : 114,968.41 = 29,314.42 : x - Step 2: Convert to fraction form
76,725.19/114,968.41 = 29,314.42/x - Step 3: Cross multiply
76,725.19x = 114,968.41 × 29,314.42 - Step 4: Simplify right side
76,725.19x = 3,370,232,257.47 - Step 5: Solve for x
x = 3,370,232,257.47/76,725.19 - Step 6: Final answer
x = 43,926.02
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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.