Finding the Fourth Proportional to 84,154.34, 116,143.26 and 48,344.27
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Solution
The fourth proportional to 84,154.34, 116,143.26 and 48,344.27 is: 66,720.99
Step by Step Solution
- Step 1: Write the proportion equation
84,154.34 : 116,143.26 = 48,344.27 : x - Step 2: Convert to fraction form
84,154.34/116,143.26 = 48,344.27/x - Step 3: Cross multiply
84,154.34x = 116,143.26 × 48,344.27 - Step 4: Simplify right side
84,154.34x = 5,614,860,539.40 - Step 5: Solve for x
x = 5,614,860,539.40/84,154.34 - Step 6: Final answer
x = 66,720.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.