Finding the Fourth Proportional to 84,967.19, 117,257.73 and 48,675.12
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Solution
The fourth proportional to 84,967.19, 117,257.73 and 48,675.12 is: 67,173.39
Step by Step Solution
- Step 1: Write the proportion equation
84,967.19 : 117,257.73 = 48,675.12 : x - Step 2: Convert to fraction form
84,967.19/117,257.73 = 48,675.12/x - Step 3: Cross multiply
84,967.19x = 117,257.73 × 48,675.12 - Step 4: Simplify right side
84,967.19x = 5,707,534,078.68 - Step 5: Solve for x
x = 5,707,534,078.68/84,967.19 - Step 6: Final answer
x = 67,173.39
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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.