Finding the Fourth Proportional to 79,438.78, 119,147.56 and 29,512.07
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Solution
The fourth proportional to 79,438.78, 119,147.56 and 29,512.07 is: 44,264.17
Step by Step Solution
- Step 1: Write the proportion equation
79,438.78 : 119,147.56 = 29,512.07 : x - Step 2: Convert to fraction form
79,438.78/119,147.56 = 29,512.07/x - Step 3: Cross multiply
79,438.78x = 119,147.56 × 29,512.07 - Step 4: Simplify right side
79,438.78x = 3,516,291,243.44 - Step 5: Solve for x
x = 3,516,291,243.44/79,438.78 - Step 6: Final answer
x = 44,264.17
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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.